Home / 129,057.68-193,621.04-116,719.76

Finding the Fourth Proportional to 129,057.68, 193,621.04 and 116,719.76

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Solution

The fourth proportional to 129,057.68, 193,621.04 and 116,719.76 is: 175,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057.68 : 193,621.04 = 116,719.76 : x
  2. Step 2: Convert to fraction form
    129,057.68/193,621.04 = 116,719.76/x
  3. Step 3: Cross multiply
    129,057.68x = 193,621.04 × 116,719.76
  4. Step 4: Simplify right side
    129,057.68x = 22,599,401,319.75
  5. Step 5: Solve for x
    x = 22,599,401,319.75/129,057.68
  6. Step 6: Final answer
    x = 175,110.86

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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.