Home / 154,356.30-231,819.57-92,407.50

Finding the Fourth Proportional to 154,356.30, 231,819.57 and 92,407.50

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Solution

The fourth proportional to 154,356.30, 231,819.57 and 92,407.50 is: 138,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,356.30 : 231,819.57 = 92,407.50 : x
  2. Step 2: Convert to fraction form
    154,356.30/231,819.57 = 92,407.50/x
  3. Step 3: Cross multiply
    154,356.30x = 231,819.57 × 92,407.50
  4. Step 4: Simplify right side
    154,356.30x = 21,421,866,914.78
  5. Step 5: Solve for x
    x = 21,421,866,914.78/154,356.30
  6. Step 6: Final answer
    x = 138,781.94

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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.