Home / 179,787.80-248,112.22-99,220.41

Finding the Fourth Proportional to 179,787.80, 248,112.22 and 99,220.41

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Solution

The fourth proportional to 179,787.80, 248,112.22 and 99,220.41 is: 136,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,787.80 : 248,112.22 = 99,220.41 : x
  2. Step 2: Convert to fraction form
    179,787.80/248,112.22 = 99,220.41/x
  3. Step 3: Cross multiply
    179,787.80x = 248,112.22 × 99,220.41
  4. Step 4: Simplify right side
    179,787.80x = 24,617,796,411.45
  5. Step 5: Solve for x
    x = 24,617,796,411.45/179,787.80
  6. Step 6: Final answer
    x = 136,926.96

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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.