Home / 121,719.38-182,580.44-37,478.88

Finding the Fourth Proportional to 121,719.38, 182,580.44 and 37,478.88

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Solution

The fourth proportional to 121,719.38, 182,580.44 and 37,478.88 is: 56,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,719.38 : 182,580.44 = 37,478.88 : x
  2. Step 2: Convert to fraction form
    121,719.38/182,580.44 = 37,478.88/x
  3. Step 3: Cross multiply
    121,719.38x = 182,580.44 × 37,478.88
  4. Step 4: Simplify right side
    121,719.38x = 6,842,909,963.73
  5. Step 5: Solve for x
    x = 6,842,909,963.73/121,719.38
  6. Step 6: Final answer
    x = 56,218.74

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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.