Home / 484,764.10-727,182.60-129,770.26

Finding the Fourth Proportional to 484,764.10, 727,182.60 and 129,770.26

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Solution

The fourth proportional to 484,764.10, 727,182.60 and 129,770.26 is: 194,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,764.10 : 727,182.60 = 129,770.26 : x
  2. Step 2: Convert to fraction form
    484,764.10/727,182.60 = 129,770.26/x
  3. Step 3: Cross multiply
    484,764.10x = 727,182.60 × 129,770.26
  4. Step 4: Simplify right side
    484,764.10x = 94,366,675,069.48
  5. Step 5: Solve for x
    x = 94,366,675,069.48/484,764.10
  6. Step 6: Final answer
    x = 194,665.15

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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.