Home / 209,074.54-288,362.33-140,983.66

Finding the Fourth Proportional to 209,074.54, 288,362.33 and 140,983.66

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Solution

The fourth proportional to 209,074.54, 288,362.33 and 140,983.66 is: 194,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,074.54 : 288,362.33 = 140,983.66 : x
  2. Step 2: Convert to fraction form
    209,074.54/288,362.33 = 140,983.66/x
  3. Step 3: Cross multiply
    209,074.54x = 288,362.33 × 140,983.66
  4. Step 4: Simplify right side
    209,074.54x = 40,654,377,684.77
  5. Step 5: Solve for x
    x = 40,654,377,684.77/209,074.54
  6. Step 6: Final answer
    x = 194,449.20

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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.