Home / 372,277.20-558,251.78-105,977.15

Finding the Fourth Proportional to 372,277.20, 558,251.78 and 105,977.15

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Solution

The fourth proportional to 372,277.20, 558,251.78 and 105,977.15 is: 158,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,277.20 : 558,251.78 = 105,977.15 : x
  2. Step 2: Convert to fraction form
    372,277.20/558,251.78 = 105,977.15/x
  3. Step 3: Cross multiply
    372,277.20x = 558,251.78 × 105,977.15
  4. Step 4: Simplify right side
    372,277.20x = 59,161,932,626.83
  5. Step 5: Solve for x
    x = 59,161,932,626.83/372,277.20
  6. Step 6: Final answer
    x = 158,919.03

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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.