Home / 134,454.80-185,540.28-74,023.16

Finding the Fourth Proportional to 134,454.80, 185,540.28 and 74,023.16

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Solution

The fourth proportional to 134,454.80, 185,540.28 and 74,023.16 is: 102,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,454.80 : 185,540.28 = 74,023.16 : x
  2. Step 2: Convert to fraction form
    134,454.80/185,540.28 = 74,023.16/x
  3. Step 3: Cross multiply
    134,454.80x = 185,540.28 × 74,023.16
  4. Step 4: Simplify right side
    134,454.80x = 13,734,277,832.88
  5. Step 5: Solve for x
    x = 13,734,277,832.88/134,454.80
  6. Step 6: Final answer
    x = 102,147.92

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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.