Home / 106,228.80-159,306.48-47,105.88

Finding the Fourth Proportional to 106,228.80, 159,306.48 and 47,105.88

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Solution

The fourth proportional to 106,228.80, 159,306.48 and 47,105.88 is: 70,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,228.80 : 159,306.48 = 47,105.88 : x
  2. Step 2: Convert to fraction form
    106,228.80/159,306.48 = 47,105.88/x
  3. Step 3: Cross multiply
    106,228.80x = 159,306.48 × 47,105.88
  4. Step 4: Simplify right side
    106,228.80x = 7,504,271,930.10
  5. Step 5: Solve for x
    x = 7,504,271,930.10/106,228.80
  6. Step 6: Final answer
    x = 70,642.54

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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.