Home / 195,378.48-293,058.91-81,479.38

Finding the Fourth Proportional to 195,378.48, 293,058.91 and 81,479.38

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Solution

The fourth proportional to 195,378.48, 293,058.91 and 81,479.38 is: 122,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,378.48 : 293,058.91 = 81,479.38 : x
  2. Step 2: Convert to fraction form
    195,378.48/293,058.91 = 81,479.38/x
  3. Step 3: Cross multiply
    195,378.48x = 293,058.91 × 81,479.38
  4. Step 4: Simplify right side
    195,378.48x = 23,878,258,290.28
  5. Step 5: Solve for x
    x = 23,878,258,290.28/195,378.48
  6. Step 6: Final answer
    x = 122,215.40

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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.