Home / 186,142.38-256,876.29-101,259.24

Finding the Fourth Proportional to 186,142.38, 256,876.29 and 101,259.24

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Solution

The fourth proportional to 186,142.38, 256,876.29 and 101,259.24 is: 139,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,142.38 : 256,876.29 = 101,259.24 : x
  2. Step 2: Convert to fraction form
    186,142.38/256,876.29 = 101,259.24/x
  3. Step 3: Cross multiply
    186,142.38x = 256,876.29 × 101,259.24
  4. Step 4: Simplify right side
    186,142.38x = 26,011,097,899.42
  5. Step 5: Solve for x
    x = 26,011,097,899.42/186,142.38
  6. Step 6: Final answer
    x = 139,737.65

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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.