Home / 193,254.76-289,879.26-66,986.92

Finding the Fourth Proportional to 193,254.76, 289,879.26 and 66,986.92

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Solution

The fourth proportional to 193,254.76, 289,879.26 and 66,986.92 is: 100,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,254.76 : 289,879.26 = 66,986.92 : x
  2. Step 2: Convert to fraction form
    193,254.76/289,879.26 = 66,986.92/x
  3. Step 3: Cross multiply
    193,254.76x = 289,879.26 × 66,986.92
  4. Step 4: Simplify right side
    193,254.76x = 19,418,118,799.28
  5. Step 5: Solve for x
    x = 19,418,118,799.28/193,254.76
  6. Step 6: Final answer
    x = 100,479.38

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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.