Home / 105,984.66-146,258.19-58,236.90

Finding the Fourth Proportional to 105,984.66, 146,258.19 and 58,236.90

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Solution

The fourth proportional to 105,984.66, 146,258.19 and 58,236.90 is: 80,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.66 : 146,258.19 = 58,236.90 : x
  2. Step 2: Convert to fraction form
    105,984.66/146,258.19 = 58,236.90/x
  3. Step 3: Cross multiply
    105,984.66x = 146,258.19 × 58,236.90
  4. Step 4: Simplify right side
    105,984.66x = 8,517,623,585.21
  5. Step 5: Solve for x
    x = 8,517,623,585.21/105,984.66
  6. Step 6: Final answer
    x = 80,366.57

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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.