Home / 657,284.12-985,926.18-158,648.12

Finding the Fourth Proportional to 657,284.12, 985,926.18 and 158,648.12

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Solution

The fourth proportional to 657,284.12, 985,926.18 and 158,648.12 is: 237,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,284.12 : 985,926.18 = 158,648.12 : x
  2. Step 2: Convert to fraction form
    657,284.12/985,926.18 = 158,648.12/x
  3. Step 3: Cross multiply
    657,284.12x = 985,926.18 × 158,648.12
  4. Step 4: Simplify right side
    657,284.12x = 156,415,329,192.91
  5. Step 5: Solve for x
    x = 156,415,329,192.91/657,284.12
  6. Step 6: Final answer
    x = 237,972.17

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.