Home / 129,713.37-194,478.17-57,626.69

Finding the Fourth Proportional to 129,713.37, 194,478.17 and 57,626.69

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Solution

The fourth proportional to 129,713.37, 194,478.17 and 57,626.69 is: 86,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,713.37 : 194,478.17 = 57,626.69 : x
  2. Step 2: Convert to fraction form
    129,713.37/194,478.17 = 57,626.69/x
  3. Step 3: Cross multiply
    129,713.37x = 194,478.17 × 57,626.69
  4. Step 4: Simplify right side
    129,713.37x = 11,207,133,047.77
  5. Step 5: Solve for x
    x = 11,207,133,047.77/129,713.37
  6. Step 6: Final answer
    x = 86,399.21

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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.