Home / 147,226.90-220,404.39-90,885.85

Finding the Fourth Proportional to 147,226.90, 220,404.39 and 90,885.85

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Solution

The fourth proportional to 147,226.90, 220,404.39 and 90,885.85 is: 136,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226.90 : 220,404.39 = 90,885.85 : x
  2. Step 2: Convert to fraction form
    147,226.90/220,404.39 = 90,885.85/x
  3. Step 3: Cross multiply
    147,226.90x = 220,404.39 × 90,885.85
  4. Step 4: Simplify right side
    147,226.90x = 20,031,639,777.87
  5. Step 5: Solve for x
    x = 20,031,639,777.87/147,226.90
  6. Step 6: Final answer
    x = 136,059.65

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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.