Home / 154,266.20-231,399.30-49,095.80

Finding the Fourth Proportional to 154,266.20, 231,399.30 and 49,095.80

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Solution

The fourth proportional to 154,266.20, 231,399.30 and 49,095.80 is: 73,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,266.20 : 231,399.30 = 49,095.80 : x
  2. Step 2: Convert to fraction form
    154,266.20/231,399.30 = 49,095.80/x
  3. Step 3: Cross multiply
    154,266.20x = 231,399.30 × 49,095.80
  4. Step 4: Simplify right side
    154,266.20x = 11,360,733,752.94
  5. Step 5: Solve for x
    x = 11,360,733,752.94/154,266.20
  6. Step 6: Final answer
    x = 73,643.70

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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.