Home / 160,660.81-221,652.57-96,131.55

Finding the Fourth Proportional to 160,660.81, 221,652.57 and 96,131.55

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Solution

The fourth proportional to 160,660.81, 221,652.57 and 96,131.55 is: 132,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.81 : 221,652.57 = 96,131.55 : x
  2. Step 2: Convert to fraction form
    160,660.81/221,652.57 = 96,131.55/x
  3. Step 3: Cross multiply
    160,660.81x = 221,652.57 × 96,131.55
  4. Step 4: Simplify right side
    160,660.81x = 21,307,805,115.58
  5. Step 5: Solve for x
    x = 21,307,805,115.58/160,660.81
  6. Step 6: Final answer
    x = 132,626.03

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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.