Home / 466,128.58-699,228.11-129,165.34

Finding the Fourth Proportional to 466,128.58, 699,228.11 and 129,165.34

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Solution

The fourth proportional to 466,128.58, 699,228.11 and 129,165.34 is: 193,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,128.58 : 699,228.11 = 129,165.34 : x
  2. Step 2: Convert to fraction form
    466,128.58/699,228.11 = 129,165.34/x
  3. Step 3: Cross multiply
    466,128.58x = 699,228.11 × 129,165.34
  4. Step 4: Simplify right side
    466,128.58x = 90,316,036,565.71
  5. Step 5: Solve for x
    x = 90,316,036,565.71/466,128.58
  6. Step 6: Final answer
    x = 193,757.78

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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.