Home / 209,254.48-288,776.88-113,767.76

Finding the Fourth Proportional to 209,254.48, 288,776.88 and 113,767.76

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Solution

The fourth proportional to 209,254.48, 288,776.88 and 113,767.76 is: 157,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,254.48 : 288,776.88 = 113,767.76 : x
  2. Step 2: Convert to fraction form
    209,254.48/288,776.88 = 113,767.76/x
  3. Step 3: Cross multiply
    209,254.48x = 288,776.88 × 113,767.76
  4. Step 4: Simplify right side
    209,254.48x = 32,853,498,777.39
  5. Step 5: Solve for x
    x = 32,853,498,777.39/209,254.48
  6. Step 6: Final answer
    x = 157,002.61

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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.