Home / 120,550.22-166,359.94-69,565.08

Finding the Fourth Proportional to 120,550.22, 166,359.94 and 69,565.08

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Solution

The fourth proportional to 120,550.22, 166,359.94 and 69,565.08 is: 96,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.22 : 166,359.94 = 69,565.08 : x
  2. Step 2: Convert to fraction form
    120,550.22/166,359.94 = 69,565.08/x
  3. Step 3: Cross multiply
    120,550.22x = 166,359.94 × 69,565.08
  4. Step 4: Simplify right side
    120,550.22x = 11,572,842,534.90
  5. Step 5: Solve for x
    x = 11,572,842,534.90/120,550.22
  6. Step 6: Final answer
    x = 96,000.18

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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.