Home / 193,278.74-289,638.30-133,245.59

Finding the Fourth Proportional to 193,278.74, 289,638.30 and 133,245.59

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Solution

The fourth proportional to 193,278.74, 289,638.30 and 133,245.59 is: 199,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,278.74 : 289,638.30 = 133,245.59 : x
  2. Step 2: Convert to fraction form
    193,278.74/289,638.30 = 133,245.59/x
  3. Step 3: Cross multiply
    193,278.74x = 289,638.30 × 133,245.59
  4. Step 4: Simplify right side
    193,278.74x = 38,593,024,721.91
  5. Step 5: Solve for x
    x = 38,593,024,721.91/193,278.74
  6. Step 6: Final answer
    x = 199,675.48

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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.