Home / 115,222.41-171,853.38-113,228.61

Finding the Fourth Proportional to 115,222.41, 171,853.38 and 113,228.61

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Solution

The fourth proportional to 115,222.41, 171,853.38 and 113,228.61 is: 168,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,222.41 : 171,853.38 = 113,228.61 : x
  2. Step 2: Convert to fraction form
    115,222.41/171,853.38 = 113,228.61/x
  3. Step 3: Cross multiply
    115,222.41x = 171,853.38 × 113,228.61
  4. Step 4: Simplify right side
    115,222.41x = 19,458,719,341.20
  5. Step 5: Solve for x
    x = 19,458,719,341.20/115,222.41
  6. Step 6: Final answer
    x = 168,879.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.