Home / 140,627.40-194,010.30-86,819.04

Finding the Fourth Proportional to 140,627.40, 194,010.30 and 86,819.04

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Solution

The fourth proportional to 140,627.40, 194,010.30 and 86,819.04 is: 119,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,627.40 : 194,010.30 = 86,819.04 : x
  2. Step 2: Convert to fraction form
    140,627.40/194,010.30 = 86,819.04/x
  3. Step 3: Cross multiply
    140,627.40x = 194,010.30 × 86,819.04
  4. Step 4: Simplify right side
    140,627.40x = 16,843,787,996.11
  5. Step 5: Solve for x
    x = 16,843,787,996.11/140,627.40
  6. Step 6: Final answer
    x = 119,776.00

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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.