Home / 147,488.20-221,232.30-36,680.20

Finding the Fourth Proportional to 147,488.20, 221,232.30 and 36,680.20

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Solution

The fourth proportional to 147,488.20, 221,232.30 and 36,680.20 is: 55,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,488.20 : 221,232.30 = 36,680.20 : x
  2. Step 2: Convert to fraction form
    147,488.20/221,232.30 = 36,680.20/x
  3. Step 3: Cross multiply
    147,488.20x = 221,232.30 × 36,680.20
  4. Step 4: Simplify right side
    147,488.20x = 8,114,845,010.46
  5. Step 5: Solve for x
    x = 8,114,845,010.46/147,488.20
  6. Step 6: Final answer
    x = 55,020.30

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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.