Home / 129,705.80-194,424.96-94,077.92

Finding the Fourth Proportional to 129,705.80, 194,424.96 and 94,077.92

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Solution

The fourth proportional to 129,705.80, 194,424.96 and 94,077.92 is: 141,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,705.80 : 194,424.96 = 94,077.92 : x
  2. Step 2: Convert to fraction form
    129,705.80/194,424.96 = 94,077.92/x
  3. Step 3: Cross multiply
    129,705.80x = 194,424.96 × 94,077.92
  4. Step 4: Simplify right side
    129,705.80x = 18,291,095,832.88
  5. Step 5: Solve for x
    x = 18,291,095,832.88/129,705.80
  6. Step 6: Final answer
    x = 141,019.88

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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.