Home / 372,900.57-558,976.31-119,995.18

Finding the Fourth Proportional to 372,900.57, 558,976.31 and 119,995.18

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Solution

The fourth proportional to 372,900.57, 558,976.31 and 119,995.18 is: 179,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,900.57 : 558,976.31 = 119,995.18 : x
  2. Step 2: Convert to fraction form
    372,900.57/558,976.31 = 119,995.18/x
  3. Step 3: Cross multiply
    372,900.57x = 558,976.31 × 119,995.18
  4. Step 4: Simplify right side
    372,900.57x = 67,074,463,234.17
  5. Step 5: Solve for x
    x = 67,074,463,234.17/372,900.57
  6. Step 6: Final answer
    x = 179,872.25

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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.