Home / 160,677.08-221,747.64-89,079.56

Finding the Fourth Proportional to 160,677.08, 221,747.64 and 89,079.56

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Solution

The fourth proportional to 160,677.08, 221,747.64 and 89,079.56 is: 122,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,677.08 : 221,747.64 = 89,079.56 : x
  2. Step 2: Convert to fraction form
    160,677.08/221,747.64 = 89,079.56/x
  3. Step 3: Cross multiply
    160,677.08x = 221,747.64 × 89,079.56
  4. Step 4: Simplify right side
    160,677.08x = 19,753,182,202.24
  5. Step 5: Solve for x
    x = 19,753,182,202.24/160,677.08
  6. Step 6: Final answer
    x = 122,937.15

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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.