Home / 209,240.16-288,753.30-113,747.04

Finding the Fourth Proportional to 209,240.16, 288,753.30 and 113,747.04

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Solution

The fourth proportional to 209,240.16, 288,753.30 and 113,747.04 is: 156,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,240.16 : 288,753.30 = 113,747.04 : x
  2. Step 2: Convert to fraction form
    209,240.16/288,753.30 = 113,747.04/x
  3. Step 3: Cross multiply
    209,240.16x = 288,753.30 × 113,747.04
  4. Step 4: Simplify right side
    209,240.16x = 32,844,833,165.23
  5. Step 5: Solve for x
    x = 32,844,833,165.23/209,240.16
  6. Step 6: Final answer
    x = 156,971.94

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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.