Home / 106,149.29-146,488.25-58,402.72

Finding the Fourth Proportional to 106,149.29, 146,488.25 and 58,402.72

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Solution

The fourth proportional to 106,149.29, 146,488.25 and 58,402.72 is: 80,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,149.29 : 146,488.25 = 58,402.72 : x
  2. Step 2: Convert to fraction form
    106,149.29/146,488.25 = 58,402.72/x
  3. Step 3: Cross multiply
    106,149.29x = 146,488.25 × 58,402.72
  4. Step 4: Simplify right side
    106,149.29x = 8,555,312,248.64
  5. Step 5: Solve for x
    x = 8,555,312,248.64/106,149.29
  6. Step 6: Final answer
    x = 80,596.98

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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.