Home / 221,249.13-331,622.75-194,543.57

Finding the Fourth Proportional to 221,249.13, 331,622.75 and 194,543.57

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Solution

The fourth proportional to 221,249.13, 331,622.75 and 194,543.57 is: 291,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,249.13 : 331,622.75 = 194,543.57 : x
  2. Step 2: Convert to fraction form
    221,249.13/331,622.75 = 194,543.57/x
  3. Step 3: Cross multiply
    221,249.13x = 331,622.75 × 194,543.57
  4. Step 4: Simplify right side
    221,249.13x = 64,515,071,047.39
  5. Step 5: Solve for x
    x = 64,515,071,047.39/221,249.13
  6. Step 6: Final answer
    x = 291,594.69

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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.