Home / 179,991.29-248,403.36-99,427.61

Finding the Fourth Proportional to 179,991.29, 248,403.36 and 99,427.61

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Solution

The fourth proportional to 179,991.29, 248,403.36 and 99,427.61 is: 137,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,991.29 : 248,403.36 = 99,427.61 : x
  2. Step 2: Convert to fraction form
    179,991.29/248,403.36 = 99,427.61/x
  3. Step 3: Cross multiply
    179,991.29x = 248,403.36 × 99,427.61
  4. Step 4: Simplify right side
    179,991.29x = 24,698,151,158.75
  5. Step 5: Solve for x
    x = 24,698,151,158.75/179,991.29
  6. Step 6: Final answer
    x = 137,218.59

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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.