Home / 167,787.95-251,769.47-68,021.87

Finding the Fourth Proportional to 167,787.95, 251,769.47 and 68,021.87

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Solution

The fourth proportional to 167,787.95, 251,769.47 and 68,021.87 is: 102,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,787.95 : 251,769.47 = 68,021.87 : x
  2. Step 2: Convert to fraction form
    167,787.95/251,769.47 = 68,021.87/x
  3. Step 3: Cross multiply
    167,787.95x = 251,769.47 × 68,021.87
  4. Step 4: Simplify right side
    167,787.95x = 17,125,828,559.35
  5. Step 5: Solve for x
    x = 17,125,828,559.35/167,787.95
  6. Step 6: Final answer
    x = 102,068.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.