Home / 147,614.80-221,130.60-88,274.20

Finding the Fourth Proportional to 147,614.80, 221,130.60 and 88,274.20

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Solution

The fourth proportional to 147,614.80, 221,130.60 and 88,274.20 is: 132,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,614.80 : 221,130.60 = 88,274.20 : x
  2. Step 2: Convert to fraction form
    147,614.80/221,130.60 = 88,274.20/x
  3. Step 3: Cross multiply
    147,614.80x = 221,130.60 × 88,274.20
  4. Step 4: Simplify right side
    147,614.80x = 19,520,126,810.52
  5. Step 5: Solve for x
    x = 19,520,126,810.52/147,614.80
  6. Step 6: Final answer
    x = 132,236.92

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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.