Home / 209,084.60-288,538.13-113,591.27

Finding the Fourth Proportional to 209,084.60, 288,538.13 and 113,591.27

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Solution

The fourth proportional to 209,084.60, 288,538.13 and 113,591.27 is: 156,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,084.60 : 288,538.13 = 113,591.27 : x
  2. Step 2: Convert to fraction form
    209,084.60/288,538.13 = 113,591.27/x
  3. Step 3: Cross multiply
    209,084.60x = 288,538.13 × 113,591.27
  4. Step 4: Simplify right side
    209,084.60x = 32,775,413,635.45
  5. Step 5: Solve for x
    x = 32,775,413,635.45/209,084.60
  6. Step 6: Final answer
    x = 156,756.71

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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.