Home / 156,669.48-216,202.44-85,049.46

Finding the Fourth Proportional to 156,669.48, 216,202.44 and 85,049.46

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Solution

The fourth proportional to 156,669.48, 216,202.44 and 85,049.46 is: 117,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.48 : 216,202.44 = 85,049.46 : x
  2. Step 2: Convert to fraction form
    156,669.48/216,202.44 = 85,049.46/x
  3. Step 3: Cross multiply
    156,669.48x = 216,202.44 × 85,049.46
  4. Step 4: Simplify right side
    156,669.48x = 18,387,900,772.68
  5. Step 5: Solve for x
    x = 18,387,900,772.68/156,669.48
  6. Step 6: Final answer
    x = 117,367.47

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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.