Home / 130,687.52-196,007.78-34,625.40

Finding the Fourth Proportional to 130,687.52, 196,007.78 and 34,625.40

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Solution

The fourth proportional to 130,687.52, 196,007.78 and 34,625.40 is: 51,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,687.52 : 196,007.78 = 34,625.40 : x
  2. Step 2: Convert to fraction form
    130,687.52/196,007.78 = 34,625.40/x
  3. Step 3: Cross multiply
    130,687.52x = 196,007.78 × 34,625.40
  4. Step 4: Simplify right side
    130,687.52x = 6,786,847,785.61
  5. Step 5: Solve for x
    x = 6,786,847,785.61/130,687.52
  6. Step 6: Final answer
    x = 51,931.87

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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.