Home / 147,091.20-220,587.28-47,226.88

Finding the Fourth Proportional to 147,091.20, 220,587.28 and 47,226.88

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Solution

The fourth proportional to 147,091.20, 220,587.28 and 47,226.88 is: 70,824.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,091.20 : 220,587.28 = 47,226.88 : x
  2. Step 2: Convert to fraction form
    147,091.20/220,587.28 = 47,226.88/x
  3. Step 3: Cross multiply
    147,091.20x = 220,587.28 × 47,226.88
  4. Step 4: Simplify right side
    147,091.20x = 10,417,649,002.09
  5. Step 5: Solve for x
    x = 10,417,649,002.09/147,091.20
  6. Step 6: Final answer
    x = 70,824.42

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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.