Home / 160,711.59-221,780.25-92,727.75

Finding the Fourth Proportional to 160,711.59, 221,780.25 and 92,727.75

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Solution

The fourth proportional to 160,711.59, 221,780.25 and 92,727.75 is: 127,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,711.59 : 221,780.25 = 92,727.75 : x
  2. Step 2: Convert to fraction form
    160,711.59/221,780.25 = 92,727.75/x
  3. Step 3: Cross multiply
    160,711.59x = 221,780.25 × 92,727.75
  4. Step 4: Simplify right side
    160,711.59x = 20,565,183,576.94
  5. Step 5: Solve for x
    x = 20,565,183,576.94/160,711.59
  6. Step 6: Final answer
    x = 127,963.29

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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.