Home / 134,617.28-185,773.05-74,190.06

Finding the Fourth Proportional to 134,617.28, 185,773.05 and 74,190.06

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Solution

The fourth proportional to 134,617.28, 185,773.05 and 74,190.06 is: 102,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,617.28 : 185,773.05 = 74,190.06 : x
  2. Step 2: Convert to fraction form
    134,617.28/185,773.05 = 74,190.06/x
  3. Step 3: Cross multiply
    134,617.28x = 185,773.05 × 74,190.06
  4. Step 4: Simplify right side
    134,617.28x = 13,782,513,725.88
  5. Step 5: Solve for x
    x = 13,782,513,725.88/134,617.28
  6. Step 6: Final answer
    x = 102,382.95

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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.