Home / 393,966.18-591,133.86-194,177.61

Finding the Fourth Proportional to 393,966.18, 591,133.86 and 194,177.61

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Solution

The fourth proportional to 393,966.18, 591,133.86 and 194,177.61 is: 291,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,966.18 : 591,133.86 = 194,177.61 : x
  2. Step 2: Convert to fraction form
    393,966.18/591,133.86 = 194,177.61/x
  3. Step 3: Cross multiply
    393,966.18x = 591,133.86 × 194,177.61
  4. Step 4: Simplify right side
    393,966.18x = 114,784,960,124.88
  5. Step 5: Solve for x
    x = 114,784,960,124.88/393,966.18
  6. Step 6: Final answer
    x = 291,357.40

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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.