Home / 160,331.82-221,237.91-88,701.90

Finding the Fourth Proportional to 160,331.82, 221,237.91 and 88,701.90

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Solution

The fourth proportional to 160,331.82, 221,237.91 and 88,701.90 is: 122,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,331.82 : 221,237.91 = 88,701.90 : x
  2. Step 2: Convert to fraction form
    160,331.82/221,237.91 = 88,701.90/x
  3. Step 3: Cross multiply
    160,331.82x = 221,237.91 × 88,701.90
  4. Step 4: Simplify right side
    160,331.82x = 19,624,222,969.03
  5. Step 5: Solve for x
    x = 19,624,222,969.03/160,331.82
  6. Step 6: Final answer
    x = 122,397.56

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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.