Home / 186,541.28-257,426.52-101,658.12

Finding the Fourth Proportional to 186,541.28, 257,426.52 and 101,658.12

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Solution

The fourth proportional to 186,541.28, 257,426.52 and 101,658.12 is: 140,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,541.28 : 257,426.52 = 101,658.12 : x
  2. Step 2: Convert to fraction form
    186,541.28/257,426.52 = 101,658.12/x
  3. Step 3: Cross multiply
    186,541.28x = 257,426.52 × 101,658.12
  4. Step 4: Simplify right side
    186,541.28x = 26,169,496,061.34
  5. Step 5: Solve for x
    x = 26,169,496,061.34/186,541.28
  6. Step 6: Final answer
    x = 140,287.96

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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.