Home / 134,616.68-185,772.29-74,189.50

Finding the Fourth Proportional to 134,616.68, 185,772.29 and 74,189.50

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Solution

The fourth proportional to 134,616.68, 185,772.29 and 74,189.50 is: 102,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,616.68 : 185,772.29 = 74,189.50 : x
  2. Step 2: Convert to fraction form
    134,616.68/185,772.29 = 74,189.50/x
  3. Step 3: Cross multiply
    134,616.68x = 185,772.29 × 74,189.50
  4. Step 4: Simplify right side
    134,616.68x = 13,782,352,473.58
  5. Step 5: Solve for x
    x = 13,782,352,473.58/134,616.68
  6. Step 6: Final answer
    x = 102,382.21

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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.