Home / 147,617.80-221,135.10-88,277.20

Finding the Fourth Proportional to 147,617.80, 221,135.10 and 88,277.20

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Solution

The fourth proportional to 147,617.80, 221,135.10 and 88,277.20 is: 132,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.80 : 221,135.10 = 88,277.20 : x
  2. Step 2: Convert to fraction form
    147,617.80/221,135.10 = 88,277.20/x
  3. Step 3: Cross multiply
    147,617.80x = 221,135.10 × 88,277.20
  4. Step 4: Simplify right side
    147,617.80x = 19,521,187,449.72
  5. Step 5: Solve for x
    x = 19,521,187,449.72/147,617.80
  6. Step 6: Final answer
    x = 132,241.42

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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.