Home / 198,853.74-298,280.40-93,680.88

Finding the Fourth Proportional to 198,853.74, 298,280.40 and 93,680.88

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Solution

The fourth proportional to 198,853.74, 298,280.40 and 93,680.88 is: 140,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,853.74 : 298,280.40 = 93,680.88 : x
  2. Step 2: Convert to fraction form
    198,853.74/298,280.40 = 93,680.88/x
  3. Step 3: Cross multiply
    198,853.74x = 298,280.40 × 93,680.88
  4. Step 4: Simplify right side
    198,853.74x = 27,943,170,358.75
  5. Step 5: Solve for x
    x = 27,943,170,358.75/198,853.74
  6. Step 6: Final answer
    x = 140,521.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.