Home / 129,300.24-193,950.40-40,561.52

Finding the Fourth Proportional to 129,300.24, 193,950.40 and 40,561.52

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Solution

The fourth proportional to 129,300.24, 193,950.40 and 40,561.52 is: 60,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,300.24 : 193,950.40 = 40,561.52 : x
  2. Step 2: Convert to fraction form
    129,300.24/193,950.40 = 40,561.52/x
  3. Step 3: Cross multiply
    129,300.24x = 193,950.40 × 40,561.52
  4. Step 4: Simplify right side
    129,300.24x = 7,866,923,028.61
  5. Step 5: Solve for x
    x = 7,866,923,028.61/129,300.24
  6. Step 6: Final answer
    x = 60,842.29

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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.