Home / 134,199.50-185,195.31-77,614.52

Finding the Fourth Proportional to 134,199.50, 185,195.31 and 77,614.52

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Solution

The fourth proportional to 134,199.50, 185,195.31 and 77,614.52 is: 107,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,199.50 : 185,195.31 = 77,614.52 : x
  2. Step 2: Convert to fraction form
    134,199.50/185,195.31 = 77,614.52/x
  3. Step 3: Cross multiply
    134,199.50x = 185,195.31 × 77,614.52
  4. Step 4: Simplify right side
    134,199.50x = 14,373,845,091.90
  5. Step 5: Solve for x
    x = 14,373,845,091.90/134,199.50
  6. Step 6: Final answer
    x = 107,108.04

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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.