Home / 151,334.16-208,839.18-83,349.84

Finding the Fourth Proportional to 151,334.16, 208,839.18 and 83,349.84

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Solution

The fourth proportional to 151,334.16, 208,839.18 and 83,349.84 is: 115,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,334.16 : 208,839.18 = 83,349.84 : x
  2. Step 2: Convert to fraction form
    151,334.16/208,839.18 = 83,349.84/x
  3. Step 3: Cross multiply
    151,334.16x = 208,839.18 × 83,349.84
  4. Step 4: Simplify right side
    151,334.16x = 17,406,712,238.73
  5. Step 5: Solve for x
    x = 17,406,712,238.73/151,334.16
  6. Step 6: Final answer
    x = 115,021.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.