Home / 136,089.82-187,787.53-75,652.72

Finding the Fourth Proportional to 136,089.82, 187,787.53 and 75,652.72

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Solution

The fourth proportional to 136,089.82, 187,787.53 and 75,652.72 is: 104,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,089.82 : 187,787.53 = 75,652.72 : x
  2. Step 2: Convert to fraction form
    136,089.82/187,787.53 = 75,652.72/x
  3. Step 3: Cross multiply
    136,089.82x = 187,787.53 × 75,652.72
  4. Step 4: Simplify right side
    136,089.82x = 14,206,637,426.58
  5. Step 5: Solve for x
    x = 14,206,637,426.58/136,089.82
  6. Step 6: Final answer
    x = 104,391.62

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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.