Home / 129,728.31-194,576.35-34,965.89

Finding the Fourth Proportional to 129,728.31, 194,576.35 and 34,965.89

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Solution

The fourth proportional to 129,728.31, 194,576.35 and 34,965.89 is: 52,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,728.31 : 194,576.35 = 34,965.89 : x
  2. Step 2: Convert to fraction form
    129,728.31/194,576.35 = 34,965.89/x
  3. Step 3: Cross multiply
    129,728.31x = 194,576.35 × 34,965.89
  4. Step 4: Simplify right side
    129,728.31x = 6,803,535,250.70
  5. Step 5: Solve for x
    x = 6,803,535,250.70/129,728.31
  6. Step 6: Final answer
    x = 52,444.49

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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.