Home / 156,890.92-216,540.96-93,216.46

Finding the Fourth Proportional to 156,890.92, 216,540.96 and 93,216.46

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Solution

The fourth proportional to 156,890.92, 216,540.96 and 93,216.46 is: 128,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,890.92 : 216,540.96 = 93,216.46 : x
  2. Step 2: Convert to fraction form
    156,890.92/216,540.96 = 93,216.46/x
  3. Step 3: Cross multiply
    156,890.92x = 216,540.96 × 93,216.46
  4. Step 4: Simplify right side
    156,890.92x = 20,185,181,736.20
  5. Step 5: Solve for x
    x = 20,185,181,736.20/156,890.92
  6. Step 6: Final answer
    x = 128,657.42

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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.