Home / 129,243.04-193,921.20-62,734.24

Finding the Fourth Proportional to 129,243.04, 193,921.20 and 62,734.24

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Solution

The fourth proportional to 129,243.04, 193,921.20 and 62,734.24 is: 94,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,243.04 : 193,921.20 = 62,734.24 : x
  2. Step 2: Convert to fraction form
    129,243.04/193,921.20 = 62,734.24/x
  3. Step 3: Cross multiply
    129,243.04x = 193,921.20 × 62,734.24
  4. Step 4: Simplify right side
    129,243.04x = 12,165,499,101.89
  5. Step 5: Solve for x
    x = 12,165,499,101.89/129,243.04
  6. Step 6: Final answer
    x = 94,128.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.