Home / 179,787.68-248,102.88-99,222.80

Finding the Fourth Proportional to 179,787.68, 248,102.88 and 99,222.80

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Solution

The fourth proportional to 179,787.68, 248,102.88 and 99,222.80 is: 136,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,787.68 : 248,102.88 = 99,222.80 : x
  2. Step 2: Convert to fraction form
    179,787.68/248,102.88 = 99,222.80/x
  3. Step 3: Cross multiply
    179,787.68x = 248,102.88 × 99,222.80
  4. Step 4: Simplify right side
    179,787.68x = 24,617,462,441.66
  5. Step 5: Solve for x
    x = 24,617,462,441.66/179,787.68
  6. Step 6: Final answer
    x = 136,925.19

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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.