Home / 104,227.20-143,833.65-56,480.63

Finding the Fourth Proportional to 104,227.20, 143,833.65 and 56,480.63

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Solution

The fourth proportional to 104,227.20, 143,833.65 and 56,480.63 is: 77,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,227.20 : 143,833.65 = 56,480.63 : x
  2. Step 2: Convert to fraction form
    104,227.20/143,833.65 = 56,480.63/x
  3. Step 3: Cross multiply
    104,227.20x = 143,833.65 × 56,480.63
  4. Step 4: Simplify right side
    104,227.20x = 8,123,815,526.78
  5. Step 5: Solve for x
    x = 8,123,815,526.78/104,227.20
  6. Step 6: Final answer
    x = 77,943.33

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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.