Home / 209,166.13-288,651.51-113,672.85

Finding the Fourth Proportional to 209,166.13, 288,651.51 and 113,672.85

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Solution

The fourth proportional to 209,166.13, 288,651.51 and 113,672.85 is: 156,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,166.13 : 288,651.51 = 113,672.85 : x
  2. Step 2: Convert to fraction form
    209,166.13/288,651.51 = 113,672.85/x
  3. Step 3: Cross multiply
    209,166.13x = 288,651.51 × 113,672.85
  4. Step 4: Simplify right side
    209,166.13x = 32,811,839,798.50
  5. Step 5: Solve for x
    x = 32,811,839,798.50/209,166.13
  6. Step 6: Final answer
    x = 156,869.76

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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.