Home / 209,034.06-288,467.09-113,542.75

Finding the Fourth Proportional to 209,034.06, 288,467.09 and 113,542.75

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Solution

The fourth proportional to 209,034.06, 288,467.09 and 113,542.75 is: 156,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,034.06 : 288,467.09 = 113,542.75 : x
  2. Step 2: Convert to fraction form
    209,034.06/288,467.09 = 113,542.75/x
  3. Step 3: Cross multiply
    209,034.06x = 288,467.09 × 113,542.75
  4. Step 4: Simplify right side
    209,034.06x = 32,753,346,683.10
  5. Step 5: Solve for x
    x = 32,753,346,683.10/209,034.06
  6. Step 6: Final answer
    x = 156,689.04

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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.