Home / 129,192.41-193,705.25-61,687.91

Finding the Fourth Proportional to 129,192.41, 193,705.25 and 61,687.91

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Solution

The fourth proportional to 129,192.41, 193,705.25 and 61,687.91 is: 92,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,192.41 : 193,705.25 = 61,687.91 : x
  2. Step 2: Convert to fraction form
    129,192.41/193,705.25 = 61,687.91/x
  3. Step 3: Cross multiply
    129,192.41x = 193,705.25 × 61,687.91
  4. Step 4: Simplify right side
    129,192.41x = 11,949,270,751.56
  5. Step 5: Solve for x
    x = 11,949,270,751.56/129,192.41
  6. Step 6: Final answer
    x = 92,492.05

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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.