Home / 151,757.22-209,230.40-124,432.71

Finding the Fourth Proportional to 151,757.22, 209,230.40 and 124,432.71

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Solution

The fourth proportional to 151,757.22, 209,230.40 and 124,432.71 is: 171,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,757.22 : 209,230.40 = 124,432.71 : x
  2. Step 2: Convert to fraction form
    151,757.22/209,230.40 = 124,432.71/x
  3. Step 3: Cross multiply
    151,757.22x = 209,230.40 × 124,432.71
  4. Step 4: Simplify right side
    151,757.22x = 26,035,105,387.84
  5. Step 5: Solve for x
    x = 26,035,105,387.84/151,757.22
  6. Step 6: Final answer
    x = 171,557.61

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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.