Home / 209,184.83-288,677.30-113,691.53

Finding the Fourth Proportional to 209,184.83, 288,677.30 and 113,691.53

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Solution

The fourth proportional to 209,184.83, 288,677.30 and 113,691.53 is: 156,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,184.83 : 288,677.30 = 113,691.53 : x
  2. Step 2: Convert to fraction form
    209,184.83/288,677.30 = 113,691.53/x
  3. Step 3: Cross multiply
    209,184.83x = 288,677.30 × 113,691.53
  4. Step 4: Simplify right side
    209,184.83x = 32,820,161,901.42
  5. Step 5: Solve for x
    x = 32,820,161,901.42/209,184.83
  6. Step 6: Final answer
    x = 156,895.52

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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.