Home / 154,376.24-231,531.95-43,542.32

Finding the Fourth Proportional to 154,376.24, 231,531.95 and 43,542.32

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Solution

The fourth proportional to 154,376.24, 231,531.95 and 43,542.32 is: 65,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,376.24 : 231,531.95 = 43,542.32 : x
  2. Step 2: Convert to fraction form
    154,376.24/231,531.95 = 43,542.32/x
  3. Step 3: Cross multiply
    154,376.24x = 231,531.95 × 43,542.32
  4. Step 4: Simplify right side
    154,376.24x = 10,081,437,099.46
  5. Step 5: Solve for x
    x = 10,081,437,099.46/154,376.24
  6. Step 6: Final answer
    x = 65,304.33

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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.