Home / 168,834.40-253,251.60-105,848.80

Finding the Fourth Proportional to 168,834.40, 253,251.60 and 105,848.80

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Solution

The fourth proportional to 168,834.40, 253,251.60 and 105,848.80 is: 158,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,834.40 : 253,251.60 = 105,848.80 : x
  2. Step 2: Convert to fraction form
    168,834.40/253,251.60 = 105,848.80/x
  3. Step 3: Cross multiply
    168,834.40x = 253,251.60 × 105,848.80
  4. Step 4: Simplify right side
    168,834.40x = 26,806,377,958.08
  5. Step 5: Solve for x
    x = 26,806,377,958.08/168,834.40
  6. Step 6: Final answer
    x = 158,773.20

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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.