Home / 142,716.26-196,948.44-79,058.18

Finding the Fourth Proportional to 142,716.26, 196,948.44 and 79,058.18

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Solution

The fourth proportional to 142,716.26, 196,948.44 and 79,058.18 is: 109,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,716.26 : 196,948.44 = 79,058.18 : x
  2. Step 2: Convert to fraction form
    142,716.26/196,948.44 = 79,058.18/x
  3. Step 3: Cross multiply
    142,716.26x = 196,948.44 × 79,058.18
  4. Step 4: Simplify right side
    142,716.26x = 15,570,385,220.24
  5. Step 5: Solve for x
    x = 15,570,385,220.24/142,716.26
  6. Step 6: Final answer
    x = 109,100.29

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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.