Home / 130,742.24-195,927.95-54,758.90

Finding the Fourth Proportional to 130,742.24, 195,927.95 and 54,758.90

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Solution

The fourth proportional to 130,742.24, 195,927.95 and 54,758.90 is: 82,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,742.24 : 195,927.95 = 54,758.90 : x
  2. Step 2: Convert to fraction form
    130,742.24/195,927.95 = 54,758.90/x
  3. Step 3: Cross multiply
    130,742.24x = 195,927.95 × 54,758.90
  4. Step 4: Simplify right side
    130,742.24x = 10,728,799,647.97
  5. Step 5: Solve for x
    x = 10,728,799,647.97/130,742.24
  6. Step 6: Final answer
    x = 82,060.70

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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.