Home / 129,549.28-194,350.10-54,669.58

Finding the Fourth Proportional to 129,549.28, 194,350.10 and 54,669.58

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Solution

The fourth proportional to 129,549.28, 194,350.10 and 54,669.58 is: 82,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,549.28 : 194,350.10 = 54,669.58 : x
  2. Step 2: Convert to fraction form
    129,549.28/194,350.10 = 54,669.58/x
  3. Step 3: Cross multiply
    129,549.28x = 194,350.10 × 54,669.58
  4. Step 4: Simplify right side
    129,549.28x = 10,625,038,339.96
  5. Step 5: Solve for x
    x = 10,625,038,339.96/129,549.28
  6. Step 6: Final answer
    x = 82,015.42

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1.5x scale

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.