Home / 209,256.38-288,777.09-113,763.44

Finding the Fourth Proportional to 209,256.38, 288,777.09 and 113,763.44

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Solution

The fourth proportional to 209,256.38, 288,777.09 and 113,763.44 is: 156,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,256.38 : 288,777.09 = 113,763.44 : x
  2. Step 2: Convert to fraction form
    209,256.38/288,777.09 = 113,763.44/x
  3. Step 3: Cross multiply
    209,256.38x = 288,777.09 × 113,763.44
  4. Step 4: Simplify right side
    209,256.38x = 32,852,275,151.59
  5. Step 5: Solve for x
    x = 32,852,275,151.59/209,256.38
  6. Step 6: Final answer
    x = 156,995.33

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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.