Home / 205,284.20-283,417.25-140,859.27

Finding the Fourth Proportional to 205,284.20, 283,417.25 and 140,859.27

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Solution

The fourth proportional to 205,284.20, 283,417.25 and 140,859.27 is: 194,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,284.20 : 283,417.25 = 140,859.27 : x
  2. Step 2: Convert to fraction form
    205,284.20/283,417.25 = 140,859.27/x
  3. Step 3: Cross multiply
    205,284.20x = 283,417.25 × 140,859.27
  4. Step 4: Simplify right side
    205,284.20x = 39,921,946,236.11
  5. Step 5: Solve for x
    x = 39,921,946,236.11/205,284.20
  6. Step 6: Final answer
    x = 194,471.60

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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.