Home / 320,333.10-442,020.84-177,073.26

Finding the Fourth Proportional to 320,333.10, 442,020.84 and 177,073.26

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Solution

The fourth proportional to 320,333.10, 442,020.84 and 177,073.26 is: 244,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,333.10 : 442,020.84 = 177,073.26 : x
  2. Step 2: Convert to fraction form
    320,333.10/442,020.84 = 177,073.26/x
  3. Step 3: Cross multiply
    320,333.10x = 442,020.84 × 177,073.26
  4. Step 4: Simplify right side
    320,333.10x = 78,270,071,126.74
  5. Step 5: Solve for x
    x = 78,270,071,126.74/320,333.10
  6. Step 6: Final answer
    x = 244,339.63

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