Home / 121,507.32-182,497.52-99,034.61

Finding the Fourth Proportional to 121,507.32, 182,497.52 and 99,034.61

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Solution

The fourth proportional to 121,507.32, 182,497.52 and 99,034.61 is: 148,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,507.32 : 182,497.52 = 99,034.61 : x
  2. Step 2: Convert to fraction form
    121,507.32/182,497.52 = 99,034.61/x
  3. Step 3: Cross multiply
    121,507.32x = 182,497.52 × 99,034.61
  4. Step 4: Simplify right side
    121,507.32x = 18,073,570,680.24
  5. Step 5: Solve for x
    x = 18,073,570,680.24/121,507.32
  6. Step 6: Final answer
    x = 148,744.71

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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.