Home / 129,088.14-193,708.00-54,202.53

Finding the Fourth Proportional to 129,088.14, 193,708.00 and 54,202.53

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Solution

The fourth proportional to 129,088.14, 193,708.00 and 54,202.53 is: 81,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,088.14 : 193,708.00 = 54,202.53 : x
  2. Step 2: Convert to fraction form
    129,088.14/193,708.00 = 54,202.53/x
  3. Step 3: Cross multiply
    129,088.14x = 193,708.00 × 54,202.53
  4. Step 4: Simplify right side
    129,088.14x = 10,499,462,441.69
  5. Step 5: Solve for x
    x = 10,499,462,441.69/129,088.14
  6. Step 6: Final answer
    x = 81,335.61

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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.