Home / 205,616.88-307,572.34-193,019.76

Finding the Fourth Proportional to 205,616.88, 307,572.34 and 193,019.76

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Solution

The fourth proportional to 205,616.88, 307,572.34 and 193,019.76 is: 288,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,616.88 : 307,572.34 = 193,019.76 : x
  2. Step 2: Convert to fraction form
    205,616.88/307,572.34 = 193,019.76/x
  3. Step 3: Cross multiply
    205,616.88x = 307,572.34 × 193,019.76
  4. Step 4: Simplify right side
    205,616.88x = 59,367,539,249.44
  5. Step 5: Solve for x
    x = 59,367,539,249.44/205,616.88
  6. Step 6: Final answer
    x = 288,728.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.