Home / 113,104.15-155,997.22-76,833.57

Finding the Fourth Proportional to 113,104.15, 155,997.22 and 76,833.57

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Solution

The fourth proportional to 113,104.15, 155,997.22 and 76,833.57 is: 105,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,104.15 : 155,997.22 = 76,833.57 : x
  2. Step 2: Convert to fraction form
    113,104.15/155,997.22 = 76,833.57/x
  3. Step 3: Cross multiply
    113,104.15x = 155,997.22 × 76,833.57
  4. Step 4: Simplify right side
    113,104.15x = 11,985,823,322.68
  5. Step 5: Solve for x
    x = 11,985,823,322.68/113,104.15
  6. Step 6: Final answer
    x = 105,971.56

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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.