Home / 318,319.32-477,399.60-93,635.04

Finding the Fourth Proportional to 318,319.32, 477,399.60 and 93,635.04

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Solution

The fourth proportional to 318,319.32, 477,399.60 and 93,635.04 is: 140,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,319.32 : 477,399.60 = 93,635.04 : x
  2. Step 2: Convert to fraction form
    318,319.32/477,399.60 = 93,635.04/x
  3. Step 3: Cross multiply
    318,319.32x = 477,399.60 × 93,635.04
  4. Step 4: Simplify right side
    318,319.32x = 44,701,330,641.98
  5. Step 5: Solve for x
    x = 44,701,330,641.98/318,319.32
  6. Step 6: Final answer
    x = 140,429.21

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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.