Home / 410,061.10-614,976.45-129,664.30

Finding the Fourth Proportional to 410,061.10, 614,976.45 and 129,664.30

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Solution

The fourth proportional to 410,061.10, 614,976.45 and 129,664.30 is: 194,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,061.10 : 614,976.45 = 129,664.30 : x
  2. Step 2: Convert to fraction form
    410,061.10/614,976.45 = 129,664.30/x
  3. Step 3: Cross multiply
    410,061.10x = 614,976.45 × 129,664.30
  4. Step 4: Simplify right side
    410,061.10x = 79,740,490,905.74
  5. Step 5: Solve for x
    x = 79,740,490,905.74/410,061.10
  6. Step 6: Final answer
    x = 194,460.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.