Home / 140,270.39-193,574.37-79,844.92

Finding the Fourth Proportional to 140,270.39, 193,574.37 and 79,844.92

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Solution

The fourth proportional to 140,270.39, 193,574.37 and 79,844.92 is: 110,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,270.39 : 193,574.37 = 79,844.92 : x
  2. Step 2: Convert to fraction form
    140,270.39/193,574.37 = 79,844.92/x
  3. Step 3: Cross multiply
    140,270.39x = 193,574.37 × 79,844.92
  4. Step 4: Simplify right side
    140,270.39x = 15,455,929,687.48
  5. Step 5: Solve for x
    x = 15,455,929,687.48/140,270.39
  6. Step 6: Final answer
    x = 110,186.69

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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.