Home / 140,185.58-193,452.38-128,900.66

Finding the Fourth Proportional to 140,185.58, 193,452.38 and 128,900.66

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Solution

The fourth proportional to 140,185.58, 193,452.38 and 128,900.66 is: 177,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,185.58 : 193,452.38 = 128,900.66 : x
  2. Step 2: Convert to fraction form
    140,185.58/193,452.38 = 128,900.66/x
  3. Step 3: Cross multiply
    140,185.58x = 193,452.38 × 128,900.66
  4. Step 4: Simplify right side
    140,185.58x = 24,936,139,460.57
  5. Step 5: Solve for x
    x = 24,936,139,460.57/140,185.58
  6. Step 6: Final answer
    x = 177,879.49

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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.