Home / 162,029.50-223,613.25-89,446.61

Finding the Fourth Proportional to 162,029.50, 223,613.25 and 89,446.61

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Solution

The fourth proportional to 162,029.50, 223,613.25 and 89,446.61 is: 123,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,029.50 : 223,613.25 = 89,446.61 : x
  2. Step 2: Convert to fraction form
    162,029.50/223,613.25 = 89,446.61/x
  3. Step 3: Cross multiply
    162,029.50x = 223,613.25 × 89,446.61
  4. Step 4: Simplify right side
    162,029.50x = 20,001,447,163.58
  5. Step 5: Solve for x
    x = 20,001,447,163.58/162,029.50
  6. Step 6: Final answer
    x = 123,443.24

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1.5x scale

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.