Home / 130,262.88-195,292.24-51,436.11

Finding the Fourth Proportional to 130,262.88, 195,292.24 and 51,436.11

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Solution

The fourth proportional to 130,262.88, 195,292.24 and 51,436.11 is: 77,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,262.88 : 195,292.24 = 51,436.11 : x
  2. Step 2: Convert to fraction form
    130,262.88/195,292.24 = 51,436.11/x
  3. Step 3: Cross multiply
    130,262.88x = 195,292.24 × 51,436.11
  4. Step 4: Simplify right side
    130,262.88x = 10,045,073,138.79
  5. Step 5: Solve for x
    x = 10,045,073,138.79/130,262.88
  6. Step 6: Final answer
    x = 77,113.86

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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.