Home / 156,766.16-216,218.76-108,995.60

Finding the Fourth Proportional to 156,766.16, 216,218.76 and 108,995.60

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Solution

The fourth proportional to 156,766.16, 216,218.76 and 108,995.60 is: 150,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,766.16 : 216,218.76 = 108,995.60 : x
  2. Step 2: Convert to fraction form
    156,766.16/216,218.76 = 108,995.60/x
  3. Step 3: Cross multiply
    156,766.16x = 216,218.76 × 108,995.60
  4. Step 4: Simplify right side
    156,766.16x = 23,566,893,477.46
  5. Step 5: Solve for x
    x = 23,566,893,477.46/156,766.16
  6. Step 6: Final answer
    x = 150,331.51

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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.