Home / 209,168.13-288,654.27-113,674.85

Finding the Fourth Proportional to 209,168.13, 288,654.27 and 113,674.85

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Solution

The fourth proportional to 209,168.13, 288,654.27 and 113,674.85 is: 156,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,168.13 : 288,654.27 = 113,674.85 : x
  2. Step 2: Convert to fraction form
    209,168.13/288,654.27 = 113,674.85/x
  3. Step 3: Cross multiply
    209,168.13x = 288,654.27 × 113,674.85
  4. Step 4: Simplify right side
    209,168.13x = 32,812,730,844.11
  5. Step 5: Solve for x
    x = 32,812,730,844.11/209,168.13
  6. Step 6: Final answer
    x = 156,872.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.