Home / 134,764.38-185,966.38-74,334.86

Finding the Fourth Proportional to 134,764.38, 185,966.38 and 74,334.86

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Solution

The fourth proportional to 134,764.38, 185,966.38 and 74,334.86 is: 102,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764.38 : 185,966.38 = 74,334.86 : x
  2. Step 2: Convert to fraction form
    134,764.38/185,966.38 = 74,334.86/x
  3. Step 3: Cross multiply
    134,764.38x = 185,966.38 × 74,334.86
  4. Step 4: Simplify right side
    134,764.38x = 13,823,784,822.01
  5. Step 5: Solve for x
    x = 13,823,784,822.01/134,764.38
  6. Step 6: Final answer
    x = 102,577.44

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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.