Home / 162,207.73-223,847.16-90,590.47

Finding the Fourth Proportional to 162,207.73, 223,847.16 and 90,590.47

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Solution

The fourth proportional to 162,207.73, 223,847.16 and 90,590.47 is: 125,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,207.73 : 223,847.16 = 90,590.47 : x
  2. Step 2: Convert to fraction form
    162,207.73/223,847.16 = 90,590.47/x
  3. Step 3: Cross multiply
    162,207.73x = 223,847.16 × 90,590.47
  4. Step 4: Simplify right side
    162,207.73x = 20,278,419,432.57
  5. Step 5: Solve for x
    x = 20,278,419,432.57/162,207.73
  6. Step 6: Final answer
    x = 125,015.12

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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.