Home / 134,433.28-185,530.29-74,016.19

Finding the Fourth Proportional to 134,433.28, 185,530.29 and 74,016.19

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Solution

The fourth proportional to 134,433.28, 185,530.29 and 74,016.19 is: 102,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,433.28 : 185,530.29 = 74,016.19 : x
  2. Step 2: Convert to fraction form
    134,433.28/185,530.29 = 74,016.19/x
  3. Step 3: Cross multiply
    134,433.28x = 185,530.29 × 74,016.19
  4. Step 4: Simplify right side
    134,433.28x = 13,732,245,149.75
  5. Step 5: Solve for x
    x = 13,732,245,149.75/134,433.28
  6. Step 6: Final answer
    x = 102,149.15

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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.