Home / 106,203.78-159,306.12-43,025.13

Finding the Fourth Proportional to 106,203.78, 159,306.12 and 43,025.13

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Solution

The fourth proportional to 106,203.78, 159,306.12 and 43,025.13 is: 64,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,203.78 : 159,306.12 = 43,025.13 : x
  2. Step 2: Convert to fraction form
    106,203.78/159,306.12 = 43,025.13/x
  3. Step 3: Cross multiply
    106,203.78x = 159,306.12 × 43,025.13
  4. Step 4: Simplify right side
    106,203.78x = 6,854,166,522.80
  5. Step 5: Solve for x
    x = 6,854,166,522.80/106,203.78
  6. Step 6: Final answer
    x = 64,537.88

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1.5x scale

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.