Home / 148,775.50-205,328.91-92,195.38

Finding the Fourth Proportional to 148,775.50, 205,328.91 and 92,195.38

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Solution

The fourth proportional to 148,775.50, 205,328.91 and 92,195.38 is: 127,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,775.50 : 205,328.91 = 92,195.38 : x
  2. Step 2: Convert to fraction form
    148,775.50/205,328.91 = 92,195.38/x
  3. Step 3: Cross multiply
    148,775.50x = 205,328.91 × 92,195.38
  4. Step 4: Simplify right side
    148,775.50x = 18,930,376,882.44
  5. Step 5: Solve for x
    x = 18,930,376,882.44/148,775.50
  6. Step 6: Final answer
    x = 127,241.23

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1.5x scale

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.