Home / 160,391.22-221,331.98-91,483.41

Finding the Fourth Proportional to 160,391.22, 221,331.98 and 91,483.41

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Solution

The fourth proportional to 160,391.22, 221,331.98 and 91,483.41 is: 126,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,391.22 : 221,331.98 = 91,483.41 : x
  2. Step 2: Convert to fraction form
    160,391.22/221,331.98 = 91,483.41/x
  3. Step 3: Cross multiply
    160,391.22x = 221,331.98 × 91,483.41
  4. Step 4: Simplify right side
    160,391.22x = 20,248,203,815.03
  5. Step 5: Solve for x
    x = 20,248,203,815.03/160,391.22
  6. Step 6: Final answer
    x = 126,242.59

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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.