Home / 134,439.52-185,523.27-74,009.68

Finding the Fourth Proportional to 134,439.52, 185,523.27 and 74,009.68

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Solution

The fourth proportional to 134,439.52, 185,523.27 and 74,009.68 is: 102,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,439.52 : 185,523.27 = 74,009.68 : x
  2. Step 2: Convert to fraction form
    134,439.52/185,523.27 = 74,009.68/x
  3. Step 3: Cross multiply
    134,439.52x = 185,523.27 × 74,009.68
  4. Step 4: Simplify right side
    134,439.52x = 13,730,517,845.25
  5. Step 5: Solve for x
    x = 13,730,517,845.25/134,439.52
  6. Step 6: Final answer
    x = 102,131.56

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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.