Home / 154,026.40-231,080.10-48,845.20

Finding the Fourth Proportional to 154,026.40, 231,080.10 and 48,845.20

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Solution

The fourth proportional to 154,026.40, 231,080.10 and 48,845.20 is: 73,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,026.40 : 231,080.10 = 48,845.20 : x
  2. Step 2: Convert to fraction form
    154,026.40/231,080.10 = 48,845.20/x
  3. Step 3: Cross multiply
    154,026.40x = 231,080.10 × 48,845.20
  4. Step 4: Simplify right side
    154,026.40x = 11,287,153,700.52
  5. Step 5: Solve for x
    x = 11,287,153,700.52/154,026.40
  6. Step 6: Final answer
    x = 73,280.64

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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.