Home / 129,853.18-194,762.76-41,107.15

Finding the Fourth Proportional to 129,853.18, 194,762.76 and 41,107.15

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Solution

The fourth proportional to 129,853.18, 194,762.76 and 41,107.15 is: 61,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853.18 : 194,762.76 = 41,107.15 : x
  2. Step 2: Convert to fraction form
    129,853.18/194,762.76 = 41,107.15/x
  3. Step 3: Cross multiply
    129,853.18x = 194,762.76 × 41,107.15
  4. Step 4: Simplify right side
    129,853.18x = 8,006,141,989.73
  5. Step 5: Solve for x
    x = 8,006,141,989.73/129,853.18
  6. Step 6: Final answer
    x = 61,655.34

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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.