Home / 148,987.40-223,286.70-60,168.20

Finding the Fourth Proportional to 148,987.40, 223,286.70 and 60,168.20

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Solution

The fourth proportional to 148,987.40, 223,286.70 and 60,168.20 is: 90,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,987.40 : 223,286.70 = 60,168.20 : x
  2. Step 2: Convert to fraction form
    148,987.40/223,286.70 = 60,168.20/x
  3. Step 3: Cross multiply
    148,987.40x = 223,286.70 × 60,168.20
  4. Step 4: Simplify right side
    148,987.40x = 13,434,758,822.94
  5. Step 5: Solve for x
    x = 13,434,758,822.94/148,987.40
  6. Step 6: Final answer
    x = 90,173.79

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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.