Home / 209,255.48-288,778.26-113,768.76

Finding the Fourth Proportional to 209,255.48, 288,778.26 and 113,768.76

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Solution

The fourth proportional to 209,255.48, 288,778.26 and 113,768.76 is: 157,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,255.48 : 288,778.26 = 113,768.76 : x
  2. Step 2: Convert to fraction form
    209,255.48/288,778.26 = 113,768.76/x
  3. Step 3: Cross multiply
    209,255.48x = 288,778.26 × 113,768.76
  4. Step 4: Simplify right side
    209,255.48x = 32,853,944,555.16
  5. Step 5: Solve for x
    x = 32,853,944,555.16/209,255.48
  6. Step 6: Final answer
    x = 157,003.99

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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.