Home / 318,145.20-477,217.89-93,505.66

Finding the Fourth Proportional to 318,145.20, 477,217.89 and 93,505.66

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Solution

The fourth proportional to 318,145.20, 477,217.89 and 93,505.66 is: 140,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,145.20 : 477,217.89 = 93,505.66 : x
  2. Step 2: Convert to fraction form
    318,145.20/477,217.89 = 93,505.66/x
  3. Step 3: Cross multiply
    318,145.20x = 477,217.89 × 93,505.66
  4. Step 4: Simplify right side
    318,145.20x = 44,622,573,768.26
  5. Step 5: Solve for x
    x = 44,622,573,768.26/318,145.20
  6. Step 6: Final answer
    x = 140,258.52

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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.