Home / 319,171.67-440,443.62-173,974.25

Finding the Fourth Proportional to 319,171.67, 440,443.62 and 173,974.25

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Solution

The fourth proportional to 319,171.67, 440,443.62 and 173,974.25 is: 240,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,171.67 : 440,443.62 = 173,974.25 : x
  2. Step 2: Convert to fraction form
    319,171.67/440,443.62 = 173,974.25/x
  3. Step 3: Cross multiply
    319,171.67x = 440,443.62 × 173,974.25
  4. Step 4: Simplify right side
    319,171.67x = 76,625,846,254.57
  5. Step 5: Solve for x
    x = 76,625,846,254.57/319,171.67
  6. Step 6: Final answer
    x = 240,077.22

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1.5x scale

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.