Home / 106,419.30-146,876.13-64,001.22

Finding the Fourth Proportional to 106,419.30, 146,876.13 and 64,001.22

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Solution

The fourth proportional to 106,419.30, 146,876.13 and 64,001.22 is: 88,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,419.30 : 146,876.13 = 64,001.22 : x
  2. Step 2: Convert to fraction form
    106,419.30/146,876.13 = 64,001.22/x
  3. Step 3: Cross multiply
    106,419.30x = 146,876.13 × 64,001.22
  4. Step 4: Simplify right side
    106,419.30x = 9,400,251,508.88
  5. Step 5: Solve for x
    x = 9,400,251,508.88/106,419.30
  6. Step 6: Final answer
    x = 88,332.21

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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.