Home / 140,243.60-193,537.22-79,818.84

Finding the Fourth Proportional to 140,243.60, 193,537.22 and 79,818.84

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Solution

The fourth proportional to 140,243.60, 193,537.22 and 79,818.84 is: 110,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,243.60 : 193,537.22 = 79,818.84 : x
  2. Step 2: Convert to fraction form
    140,243.60/193,537.22 = 79,818.84/x
  3. Step 3: Cross multiply
    140,243.60x = 193,537.22 × 79,818.84
  4. Step 4: Simplify right side
    140,243.60x = 15,447,916,397.22
  5. Step 5: Solve for x
    x = 15,447,916,397.22/140,243.60
  6. Step 6: Final answer
    x = 110,150.60

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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.