Home / 154,464.10-231,696.15-123,360.10

Finding the Fourth Proportional to 154,464.10, 231,696.15 and 123,360.10

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Solution

The fourth proportional to 154,464.10, 231,696.15 and 123,360.10 is: 185,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,464.10 : 231,696.15 = 123,360.10 : x
  2. Step 2: Convert to fraction form
    154,464.10/231,696.15 = 123,360.10/x
  3. Step 3: Cross multiply
    154,464.10x = 231,696.15 × 123,360.10
  4. Step 4: Simplify right side
    154,464.10x = 28,582,060,233.62
  5. Step 5: Solve for x
    x = 28,582,060,233.62/154,464.10
  6. Step 6: Final answer
    x = 185,040.15

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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.