Home / 129,437.90-194,042.49-50,496.92

Finding the Fourth Proportional to 129,437.90, 194,042.49 and 50,496.92

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Solution

The fourth proportional to 129,437.90, 194,042.49 and 50,496.92 is: 75,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437.90 : 194,042.49 = 50,496.92 : x
  2. Step 2: Convert to fraction form
    129,437.90/194,042.49 = 50,496.92/x
  3. Step 3: Cross multiply
    129,437.90x = 194,042.49 × 50,496.92
  4. Step 4: Simplify right side
    129,437.90x = 9,798,547,662.21
  5. Step 5: Solve for x
    x = 9,798,547,662.21/129,437.90
  6. Step 6: Final answer
    x = 75,700.76

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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.