Home / 129,442.56-194,165.12-35,948.80

Finding the Fourth Proportional to 129,442.56, 194,165.12 and 35,948.80

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Solution

The fourth proportional to 129,442.56, 194,165.12 and 35,948.80 is: 53,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,442.56 : 194,165.12 = 35,948.80 : x
  2. Step 2: Convert to fraction form
    129,442.56/194,165.12 = 35,948.80/x
  3. Step 3: Cross multiply
    129,442.56x = 194,165.12 × 35,948.80
  4. Step 4: Simplify right side
    129,442.56x = 6,980,003,065.86
  5. Step 5: Solve for x
    x = 6,980,003,065.86/129,442.56
  6. Step 6: Final answer
    x = 53,923.56

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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.