Home / 129,569.83-194,030.03-82,041.56

Finding the Fourth Proportional to 129,569.83, 194,030.03 and 82,041.56

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Solution

The fourth proportional to 129,569.83, 194,030.03 and 82,041.56 is: 122,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,569.83 : 194,030.03 = 82,041.56 : x
  2. Step 2: Convert to fraction form
    129,569.83/194,030.03 = 82,041.56/x
  3. Step 3: Cross multiply
    129,569.83x = 194,030.03 × 82,041.56
  4. Step 4: Simplify right side
    129,569.83x = 15,918,526,310.61
  5. Step 5: Solve for x
    x = 15,918,526,310.61/129,569.83
  6. Step 6: Final answer
    x = 122,856.74

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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.