Home / 122,002.20-182,760.30-107,389.80

Finding the Fourth Proportional to 122,002.20, 182,760.30 and 107,389.80

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Solution

The fourth proportional to 122,002.20, 182,760.30 and 107,389.80 is: 160,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,002.20 : 182,760.30 = 107,389.80 : x
  2. Step 2: Convert to fraction form
    122,002.20/182,760.30 = 107,389.80/x
  3. Step 3: Cross multiply
    122,002.20x = 182,760.30 × 107,389.80
  4. Step 4: Simplify right side
    122,002.20x = 19,626,592,064.94
  5. Step 5: Solve for x
    x = 19,626,592,064.94/122,002.20
  6. Step 6: Final answer
    x = 160,870.80

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1.5x scale

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.