Home / 186,314.50-257,114.62-101,432.17

Finding the Fourth Proportional to 186,314.50, 257,114.62 and 101,432.17

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Solution

The fourth proportional to 186,314.50, 257,114.62 and 101,432.17 is: 139,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,314.50 : 257,114.62 = 101,432.17 : x
  2. Step 2: Convert to fraction form
    186,314.50/257,114.62 = 101,432.17/x
  3. Step 3: Cross multiply
    186,314.50x = 257,114.62 × 101,432.17
  4. Step 4: Simplify right side
    186,314.50x = 26,079,693,845.33
  5. Step 5: Solve for x
    x = 26,079,693,845.33/186,314.50
  6. Step 6: Final answer
    x = 139,976.73

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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.