Home / 186,882.28-257,960.10-115,230.76

Finding the Fourth Proportional to 186,882.28, 257,960.10 and 115,230.76

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Solution

The fourth proportional to 186,882.28, 257,960.10 and 115,230.76 is: 159,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,882.28 : 257,960.10 = 115,230.76 : x
  2. Step 2: Convert to fraction form
    186,882.28/257,960.10 = 115,230.76/x
  3. Step 3: Cross multiply
    186,882.28x = 257,960.10 × 115,230.76
  4. Step 4: Simplify right side
    186,882.28x = 29,724,938,372.68
  5. Step 5: Solve for x
    x = 29,724,938,372.68/186,882.28
  6. Step 6: Final answer
    x = 159,057.02

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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.