Home / 134,519.68-185,620.92-77,156.04

Finding the Fourth Proportional to 134,519.68, 185,620.92 and 77,156.04

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Solution

The fourth proportional to 134,519.68, 185,620.92 and 77,156.04 is: 106,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,519.68 : 185,620.92 = 77,156.04 : x
  2. Step 2: Convert to fraction form
    134,519.68/185,620.92 = 77,156.04/x
  3. Step 3: Cross multiply
    134,519.68x = 185,620.92 × 77,156.04
  4. Step 4: Simplify right side
    134,519.68x = 14,321,775,128.36
  5. Step 5: Solve for x
    x = 14,321,775,128.36/134,519.68
  6. Step 6: Final answer
    x = 106,466.02

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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.