Home / 156,680.96-216,205.44-89,611.52

Finding the Fourth Proportional to 156,680.96, 216,205.44 and 89,611.52

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Solution

The fourth proportional to 156,680.96, 216,205.44 and 89,611.52 is: 123,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,680.96 : 216,205.44 = 89,611.52 : x
  2. Step 2: Convert to fraction form
    156,680.96/216,205.44 = 89,611.52/x
  3. Step 3: Cross multiply
    156,680.96x = 216,205.44 × 89,611.52
  4. Step 4: Simplify right side
    156,680.96x = 19,374,498,110.67
  5. Step 5: Solve for x
    x = 19,374,498,110.67/156,680.96
  6. Step 6: Final answer
    x = 123,655.73

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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.