Home / 214,511.92-296,034.40-129,612.56

Finding the Fourth Proportional to 214,511.92, 296,034.40 and 129,612.56

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Solution

The fourth proportional to 214,511.92, 296,034.40 and 129,612.56 is: 178,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,511.92 : 296,034.40 = 129,612.56 : x
  2. Step 2: Convert to fraction form
    214,511.92/296,034.40 = 129,612.56/x
  3. Step 3: Cross multiply
    214,511.92x = 296,034.40 × 129,612.56
  4. Step 4: Simplify right side
    214,511.92x = 38,369,776,432.06
  5. Step 5: Solve for x
    x = 38,369,776,432.06/214,511.92
  6. Step 6: Final answer
    x = 178,870.14

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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.