Home / 154,310.18-231,483.77-54,449.74

Finding the Fourth Proportional to 154,310.18, 231,483.77 and 54,449.74

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Solution

The fourth proportional to 154,310.18, 231,483.77 and 54,449.74 is: 81,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,310.18 : 231,483.77 = 54,449.74 : x
  2. Step 2: Convert to fraction form
    154,310.18/231,483.77 = 54,449.74/x
  3. Step 3: Cross multiply
    154,310.18x = 231,483.77 × 54,449.74
  4. Step 4: Simplify right side
    154,310.18x = 12,604,229,661.05
  5. Step 5: Solve for x
    x = 12,604,229,661.05/154,310.18
  6. Step 6: Final answer
    x = 81,681.13

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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.