Home / 154,580.84-231,871.78-54,743.95

Finding the Fourth Proportional to 154,580.84, 231,871.78 and 54,743.95

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Solution

The fourth proportional to 154,580.84, 231,871.78 and 54,743.95 is: 82,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,580.84 : 231,871.78 = 54,743.95 : x
  2. Step 2: Convert to fraction form
    154,580.84/231,871.78 = 54,743.95/x
  3. Step 3: Cross multiply
    154,580.84x = 231,871.78 × 54,743.95
  4. Step 4: Simplify right side
    154,580.84x = 12,693,577,258.05
  5. Step 5: Solve for x
    x = 12,693,577,258.05/154,580.84
  6. Step 6: Final answer
    x = 82,116.11

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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.