Home / 105,984.16-146,257.50-58,236.40

Finding the Fourth Proportional to 105,984.16, 146,257.50 and 58,236.40

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Solution

The fourth proportional to 105,984.16, 146,257.50 and 58,236.40 is: 80,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.16 : 146,257.50 = 58,236.40 : x
  2. Step 2: Convert to fraction form
    105,984.16/146,257.50 = 58,236.40/x
  3. Step 3: Cross multiply
    105,984.16x = 146,257.50 × 58,236.40
  4. Step 4: Simplify right side
    105,984.16x = 8,517,510,273
  5. Step 5: Solve for x
    x = 8,517,510,273/105,984.16
  6. Step 6: Final answer
    x = 80,365.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.