Home / 220,306.20-304,024.40-119,704.20

Finding the Fourth Proportional to 220,306.20, 304,024.40 and 119,704.20

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Solution

The fourth proportional to 220,306.20, 304,024.40 and 119,704.20 is: 165,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,306.20 : 304,024.40 = 119,704.20 : x
  2. Step 2: Convert to fraction form
    220,306.20/304,024.40 = 119,704.20/x
  3. Step 3: Cross multiply
    220,306.20x = 304,024.40 × 119,704.20
  4. Step 4: Simplify right side
    220,306.20x = 36,392,997,582.48
  5. Step 5: Solve for x
    x = 36,392,997,582.48/220,306.20
  6. Step 6: Final answer
    x = 165,192.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.