Home / 115,948.20-173,922.30-92,620.20

Finding the Fourth Proportional to 115,948.20, 173,922.30 and 92,620.20

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Solution

The fourth proportional to 115,948.20, 173,922.30 and 92,620.20 is: 138,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,948.20 : 173,922.30 = 92,620.20 : x
  2. Step 2: Convert to fraction form
    115,948.20/173,922.30 = 92,620.20/x
  3. Step 3: Cross multiply
    115,948.20x = 173,922.30 × 92,620.20
  4. Step 4: Simplify right side
    115,948.20x = 16,108,718,210.46
  5. Step 5: Solve for x
    x = 16,108,718,210.46/115,948.20
  6. Step 6: Final answer
    x = 138,930.30

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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.