Home / 179,789.40-248,111.28-99,219.96

Finding the Fourth Proportional to 179,789.40, 248,111.28 and 99,219.96

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Solution

The fourth proportional to 179,789.40, 248,111.28 and 99,219.96 is: 136,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,789.40 : 248,111.28 = 99,219.96 : x
  2. Step 2: Convert to fraction form
    179,789.40/248,111.28 = 99,219.96/x
  3. Step 3: Cross multiply
    179,789.40x = 248,111.28 × 99,219.96
  4. Step 4: Simplify right side
    179,789.40x = 24,617,591,277.15
  5. Step 5: Solve for x
    x = 24,617,591,277.15/179,789.40
  6. Step 6: Final answer
    x = 136,924.60

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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.