Home / 156,979.40-235,469.10-93,993.80

Finding the Fourth Proportional to 156,979.40, 235,469.10 and 93,993.80

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Solution

The fourth proportional to 156,979.40, 235,469.10 and 93,993.80 is: 140,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.40 : 235,469.10 = 93,993.80 : x
  2. Step 2: Convert to fraction form
    156,979.40/235,469.10 = 93,993.80/x
  3. Step 3: Cross multiply
    156,979.40x = 235,469.10 × 93,993.80
  4. Step 4: Simplify right side
    156,979.40x = 22,132,635,491.58
  5. Step 5: Solve for x
    x = 22,132,635,491.58/156,979.40
  6. Step 6: Final answer
    x = 140,990.70

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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.