Home / 209,096.13-288,543.96-113,600.37

Finding the Fourth Proportional to 209,096.13, 288,543.96 and 113,600.37

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Solution

The fourth proportional to 209,096.13, 288,543.96 and 113,600.37 is: 156,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,096.13 : 288,543.96 = 113,600.37 : x
  2. Step 2: Convert to fraction form
    209,096.13/288,543.96 = 113,600.37/x
  3. Step 3: Cross multiply
    209,096.13x = 288,543.96 × 113,600.37
  4. Step 4: Simplify right side
    209,096.13x = 32,778,700,617.27
  5. Step 5: Solve for x
    x = 32,778,700,617.27/209,096.13
  6. Step 6: Final answer
    x = 156,763.78

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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.