Home / 147,770.20-221,343.30-97,874.20

Finding the Fourth Proportional to 147,770.20, 221,343.30 and 97,874.20

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Solution

The fourth proportional to 147,770.20, 221,343.30 and 97,874.20 is: 146,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,770.20 : 221,343.30 = 97,874.20 : x
  2. Step 2: Convert to fraction form
    147,770.20/221,343.30 = 97,874.20/x
  3. Step 3: Cross multiply
    147,770.20x = 221,343.30 × 97,874.20
  4. Step 4: Simplify right side
    147,770.20x = 21,663,798,412.86
  5. Step 5: Solve for x
    x = 21,663,798,412.86/147,770.20
  6. Step 6: Final answer
    x = 146,604.65

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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.