Home / 134,616.56-185,772.12-74,189.38

Finding the Fourth Proportional to 134,616.56, 185,772.12 and 74,189.38

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Solution

The fourth proportional to 134,616.56, 185,772.12 and 74,189.38 is: 102,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,616.56 : 185,772.12 = 74,189.38 : x
  2. Step 2: Convert to fraction form
    134,616.56/185,772.12 = 74,189.38/x
  3. Step 3: Cross multiply
    134,616.56x = 185,772.12 × 74,189.38
  4. Step 4: Simplify right side
    134,616.56x = 13,782,317,104.28
  5. Step 5: Solve for x
    x = 13,782,317,104.28/134,616.56
  6. Step 6: Final answer
    x = 102,382.04

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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.