Home / 228,062.15-314,716.47-126,081.12

Finding the Fourth Proportional to 228,062.15, 314,716.47 and 126,081.12

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Solution

The fourth proportional to 228,062.15, 314,716.47 and 126,081.12 is: 173,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,062.15 : 314,716.47 = 126,081.12 : x
  2. Step 2: Convert to fraction form
    228,062.15/314,716.47 = 126,081.12/x
  3. Step 3: Cross multiply
    228,062.15x = 314,716.47 × 126,081.12
  4. Step 4: Simplify right side
    228,062.15x = 39,679,805,020.05
  5. Step 5: Solve for x
    x = 39,679,805,020.05/228,062.15
  6. Step 6: Final answer
    x = 173,986.81

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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.