Home / 147,418.56-221,149.80-47,545.92

Finding the Fourth Proportional to 147,418.56, 221,149.80 and 47,545.92

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Solution

The fourth proportional to 147,418.56, 221,149.80 and 47,545.92 is: 71,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,418.56 : 221,149.80 = 47,545.92 : x
  2. Step 2: Convert to fraction form
    147,418.56/221,149.80 = 47,545.92/x
  3. Step 3: Cross multiply
    147,418.56x = 221,149.80 × 47,545.92
  4. Step 4: Simplify right side
    147,418.56x = 10,514,770,698.82
  5. Step 5: Solve for x
    x = 10,514,770,698.82/147,418.56
  6. Step 6: Final answer
    x = 71,325.96

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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.