Home / 372,945.35-514,726.31-220,020.98

Finding the Fourth Proportional to 372,945.35, 514,726.31 and 220,020.98

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Solution

The fourth proportional to 372,945.35, 514,726.31 and 220,020.98 is: 303,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,945.35 : 514,726.31 = 220,020.98 : x
  2. Step 2: Convert to fraction form
    372,945.35/514,726.31 = 220,020.98/x
  3. Step 3: Cross multiply
    372,945.35x = 514,726.31 × 220,020.98
  4. Step 4: Simplify right side
    372,945.35x = 113,250,585,134.41
  5. Step 5: Solve for x
    x = 113,250,585,134.41/372,945.35
  6. Step 6: Final answer
    x = 303,665.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.