Home / 179,789.90-248,111.97-99,220.46

Finding the Fourth Proportional to 179,789.90, 248,111.97 and 99,220.46

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Solution

The fourth proportional to 179,789.90, 248,111.97 and 99,220.46 is: 136,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,789.90 : 248,111.97 = 99,220.46 : x
  2. Step 2: Convert to fraction form
    179,789.90/248,111.97 = 99,220.46/x
  3. Step 3: Cross multiply
    179,789.90x = 248,111.97 × 99,220.46
  4. Step 4: Simplify right side
    179,789.90x = 24,617,783,794.91
  5. Step 5: Solve for x
    x = 24,617,783,794.91/179,789.90
  6. Step 6: Final answer
    x = 136,925.29

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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.