Home / 151,715.16-209,299.14-91,250.28

Finding the Fourth Proportional to 151,715.16, 209,299.14 and 91,250.28

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Solution

The fourth proportional to 151,715.16, 209,299.14 and 91,250.28 is: 125,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715.16 : 209,299.14 = 91,250.28 : x
  2. Step 2: Convert to fraction form
    151,715.16/209,299.14 = 91,250.28/x
  3. Step 3: Cross multiply
    151,715.16x = 209,299.14 × 91,250.28
  4. Step 4: Simplify right side
    151,715.16x = 19,098,605,128.76
  5. Step 5: Solve for x
    x = 19,098,605,128.76/151,715.16
  6. Step 6: Final answer
    x = 125,884.62

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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.