Home / 158,552.12-218,758.38-98,093.72

Finding the Fourth Proportional to 158,552.12, 218,758.38 and 98,093.72

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Solution

The fourth proportional to 158,552.12, 218,758.38 and 98,093.72 is: 135,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,552.12 : 218,758.38 = 98,093.72 : x
  2. Step 2: Convert to fraction form
    158,552.12/218,758.38 = 98,093.72/x
  3. Step 3: Cross multiply
    158,552.12x = 218,758.38 × 98,093.72
  4. Step 4: Simplify right side
    158,552.12x = 21,458,823,275.37
  5. Step 5: Solve for x
    x = 21,458,823,275.37/158,552.12
  6. Step 6: Final answer
    x = 135,342.39

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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.