Home / 153,354.20-230,031.30-48,183.80

Finding the Fourth Proportional to 153,354.20, 230,031.30 and 48,183.80

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Solution

The fourth proportional to 153,354.20, 230,031.30 and 48,183.80 is: 72,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,354.20 : 230,031.30 = 48,183.80 : x
  2. Step 2: Convert to fraction form
    153,354.20/230,031.30 = 48,183.80/x
  3. Step 3: Cross multiply
    153,354.20x = 230,031.30 × 48,183.80
  4. Step 4: Simplify right side
    153,354.20x = 11,083,782,152.94
  5. Step 5: Solve for x
    x = 11,083,782,152.94/153,354.20
  6. Step 6: Final answer
    x = 72,275.70

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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.