Home / 141,526.80-212,115.24-71,367.84

Finding the Fourth Proportional to 141,526.80, 212,115.24 and 71,367.84

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Solution

The fourth proportional to 141,526.80, 212,115.24 and 71,367.84 is: 106,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,526.80 : 212,115.24 = 71,367.84 : x
  2. Step 2: Convert to fraction form
    141,526.80/212,115.24 = 71,367.84/x
  3. Step 3: Cross multiply
    141,526.80x = 212,115.24 × 71,367.84
  4. Step 4: Simplify right side
    141,526.80x = 15,138,206,509.88
  5. Step 5: Solve for x
    x = 15,138,206,509.88/141,526.80
  6. Step 6: Final answer
    x = 106,963.53

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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.