Home / 192,002.30-288,003.45-118,171.90

Finding the Fourth Proportional to 192,002.30, 288,003.45 and 118,171.90

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Solution

The fourth proportional to 192,002.30, 288,003.45 and 118,171.90 is: 177,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,002.30 : 288,003.45 = 118,171.90 : x
  2. Step 2: Convert to fraction form
    192,002.30/288,003.45 = 118,171.90/x
  3. Step 3: Cross multiply
    192,002.30x = 288,003.45 × 118,171.90
  4. Step 4: Simplify right side
    192,002.30x = 34,033,914,893.06
  5. Step 5: Solve for x
    x = 34,033,914,893.06/192,002.30
  6. Step 6: Final answer
    x = 177,257.85

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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.