Home / 158,872.22-219,242.77-86,274.41

Finding the Fourth Proportional to 158,872.22, 219,242.77 and 86,274.41

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Solution

The fourth proportional to 158,872.22, 219,242.77 and 86,274.41 is: 119,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,872.22 : 219,242.77 = 86,274.41 : x
  2. Step 2: Convert to fraction form
    158,872.22/219,242.77 = 86,274.41/x
  3. Step 3: Cross multiply
    158,872.22x = 219,242.77 × 86,274.41
  4. Step 4: Simplify right side
    158,872.22x = 18,915,041,186.80
  5. Step 5: Solve for x
    x = 18,915,041,186.80/158,872.22
  6. Step 6: Final answer
    x = 119,058.21

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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.