Home / 128,263.80-192,398.28-44,023.44

Finding the Fourth Proportional to 128,263.80, 192,398.28 and 44,023.44

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Solution

The fourth proportional to 128,263.80, 192,398.28 and 44,023.44 is: 66,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,263.80 : 192,398.28 = 44,023.44 : x
  2. Step 2: Convert to fraction form
    128,263.80/192,398.28 = 44,023.44/x
  3. Step 3: Cross multiply
    128,263.80x = 192,398.28 × 44,023.44
  4. Step 4: Simplify right side
    128,263.80x = 8,470,034,135.68
  5. Step 5: Solve for x
    x = 8,470,034,135.68/128,263.80
  6. Step 6: Final answer
    x = 66,036.05

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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.