Home / 105,956.76-146,220.66-58,213.20

Finding the Fourth Proportional to 105,956.76, 146,220.66 and 58,213.20

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Solution

The fourth proportional to 105,956.76, 146,220.66 and 58,213.20 is: 80,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.76 : 146,220.66 = 58,213.20 : x
  2. Step 2: Convert to fraction form
    105,956.76/146,220.66 = 58,213.20/x
  3. Step 3: Cross multiply
    105,956.76x = 146,220.66 × 58,213.20
  4. Step 4: Simplify right side
    105,956.76x = 8,511,972,524.71
  5. Step 5: Solve for x
    x = 8,511,972,524.71/105,956.76
  6. Step 6: Final answer
    x = 80,334.40

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Double scale
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1.5x scale

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.