Home / 386,496.14-579,747.30-158,733.08

Finding the Fourth Proportional to 386,496.14, 579,747.30 and 158,733.08

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Solution

The fourth proportional to 386,496.14, 579,747.30 and 158,733.08 is: 238,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,496.14 : 579,747.30 = 158,733.08 : x
  2. Step 2: Convert to fraction form
    386,496.14/579,747.30 = 158,733.08/x
  3. Step 3: Cross multiply
    386,496.14x = 579,747.30 × 158,733.08
  4. Step 4: Simplify right side
    386,496.14x = 92,025,074,492.46
  5. Step 5: Solve for x
    x = 92,025,074,492.46/386,496.14
  6. Step 6: Final answer
    x = 238,100.89

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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.