Home / 209,184.31-288,676.61-113,691.03

Finding the Fourth Proportional to 209,184.31, 288,676.61 and 113,691.03

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Solution

The fourth proportional to 209,184.31, 288,676.61 and 113,691.03 is: 156,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,184.31 : 288,676.61 = 113,691.03 : x
  2. Step 2: Convert to fraction form
    209,184.31/288,676.61 = 113,691.03/x
  3. Step 3: Cross multiply
    209,184.31x = 288,676.61 × 113,691.03
  4. Step 4: Simplify right side
    209,184.31x = 32,819,941,127.81
  5. Step 5: Solve for x
    x = 32,819,941,127.81/209,184.31
  6. Step 6: Final answer
    x = 156,894.85

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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.