Home / 217,147.86-325,517.67-117,158.22

Finding the Fourth Proportional to 217,147.86, 325,517.67 and 117,158.22

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Solution

The fourth proportional to 217,147.86, 325,517.67 and 117,158.22 is: 175,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,147.86 : 325,517.67 = 117,158.22 : x
  2. Step 2: Convert to fraction form
    217,147.86/325,517.67 = 117,158.22/x
  3. Step 3: Cross multiply
    217,147.86x = 325,517.67 × 117,158.22
  4. Step 4: Simplify right side
    217,147.86x = 38,137,070,795.75
  5. Step 5: Solve for x
    x = 38,137,070,795.75/217,147.86
  6. Step 6: Final answer
    x = 175,627.20

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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.