Home / 220,199.40-330,299.10-115,050.60

Finding the Fourth Proportional to 220,199.40, 330,299.10 and 115,050.60

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Solution

The fourth proportional to 220,199.40, 330,299.10 and 115,050.60 is: 172,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,199.40 : 330,299.10 = 115,050.60 : x
  2. Step 2: Convert to fraction form
    220,199.40/330,299.10 = 115,050.60/x
  3. Step 3: Cross multiply
    220,199.40x = 330,299.10 × 115,050.60
  4. Step 4: Simplify right side
    220,199.40x = 38,001,109,634.46
  5. Step 5: Solve for x
    x = 38,001,109,634.46/220,199.40
  6. Step 6: Final answer
    x = 172,575.90

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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.