Home / 378,544.86-567,795.02-141,867.72

Finding the Fourth Proportional to 378,544.86, 567,795.02 and 141,867.72

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Solution

The fourth proportional to 378,544.86, 567,795.02 and 141,867.72 is: 212,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,544.86 : 567,795.02 = 141,867.72 : x
  2. Step 2: Convert to fraction form
    378,544.86/567,795.02 = 141,867.72/x
  3. Step 3: Cross multiply
    378,544.86x = 567,795.02 × 141,867.72
  4. Step 4: Simplify right side
    378,544.86x = 80,551,784,205.42
  5. Step 5: Solve for x
    x = 80,551,784,205.42/378,544.86
  6. Step 6: Final answer
    x = 212,793.23

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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.