Home / 147,026.88-220,582.12-72,169.44

Finding the Fourth Proportional to 147,026.88, 220,582.12 and 72,169.44

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Solution

The fourth proportional to 147,026.88, 220,582.12 and 72,169.44 is: 108,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,026.88 : 220,582.12 = 72,169.44 : x
  2. Step 2: Convert to fraction form
    147,026.88/220,582.12 = 72,169.44/x
  3. Step 3: Cross multiply
    147,026.88x = 220,582.12 × 72,169.44
  4. Step 4: Simplify right side
    147,026.88x = 15,919,288,074.41
  5. Step 5: Solve for x
    x = 15,919,288,074.41/147,026.88
  6. Step 6: Final answer
    x = 108,274.68

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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.