Home / 154,166.17-231,251.81-54,327.57

Finding the Fourth Proportional to 154,166.17, 231,251.81 and 54,327.57

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Solution

The fourth proportional to 154,166.17, 231,251.81 and 54,327.57 is: 81,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,166.17 : 231,251.81 = 54,327.57 : x
  2. Step 2: Convert to fraction form
    154,166.17/231,251.81 = 54,327.57/x
  3. Step 3: Cross multiply
    154,166.17x = 231,251.81 × 54,327.57
  4. Step 4: Simplify right side
    154,166.17x = 12,563,348,712.56
  5. Step 5: Solve for x
    x = 12,563,348,712.56/154,166.17
  6. Step 6: Final answer
    x = 81,492.25

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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.