Home / 156,922.47-235,329.17-66,961.55

Finding the Fourth Proportional to 156,922.47, 235,329.17 and 66,961.55

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Solution

The fourth proportional to 156,922.47, 235,329.17 and 66,961.55 is: 100,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.47 : 235,329.17 = 66,961.55 : x
  2. Step 2: Convert to fraction form
    156,922.47/235,329.17 = 66,961.55/x
  3. Step 3: Cross multiply
    156,922.47x = 235,329.17 × 66,961.55
  4. Step 4: Simplify right side
    156,922.47x = 15,758,006,236.93
  5. Step 5: Solve for x
    x = 15,758,006,236.93/156,922.47
  6. Step 6: Final answer
    x = 100,419.06

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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.