Home / 374,289.20-561,610.87-194,278.96

Finding the Fourth Proportional to 374,289.20, 561,610.87 and 194,278.96

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Solution

The fourth proportional to 374,289.20, 561,610.87 and 194,278.96 is: 291,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,289.20 : 561,610.87 = 194,278.96 : x
  2. Step 2: Convert to fraction form
    374,289.20/561,610.87 = 194,278.96/x
  3. Step 3: Cross multiply
    374,289.20x = 561,610.87 × 194,278.96
  4. Step 4: Simplify right side
    374,289.20x = 109,109,172,805.55
  5. Step 5: Solve for x
    x = 109,109,172,805.55/374,289.20
  6. Step 6: Final answer
    x = 291,510.34

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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.