Home / 140,067.09-193,293.98-76,406.22

Finding the Fourth Proportional to 140,067.09, 193,293.98 and 76,406.22

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Solution

The fourth proportional to 140,067.09, 193,293.98 and 76,406.22 is: 105,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,067.09 : 193,293.98 = 76,406.22 : x
  2. Step 2: Convert to fraction form
    140,067.09/193,293.98 = 76,406.22/x
  3. Step 3: Cross multiply
    140,067.09x = 193,293.98 × 76,406.22
  4. Step 4: Simplify right side
    140,067.09x = 14,768,862,360.56
  5. Step 5: Solve for x
    x = 14,768,862,360.56/140,067.09
  6. Step 6: Final answer
    x = 105,441.35

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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.