Home / 124,143.42-186,160.47-35,376.78

Finding the Fourth Proportional to 124,143.42, 186,160.47 and 35,376.78

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Solution

The fourth proportional to 124,143.42, 186,160.47 and 35,376.78 is: 53,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,143.42 : 186,160.47 = 35,376.78 : x
  2. Step 2: Convert to fraction form
    124,143.42/186,160.47 = 35,376.78/x
  3. Step 3: Cross multiply
    124,143.42x = 186,160.47 × 35,376.78
  4. Step 4: Simplify right side
    124,143.42x = 6,585,757,991.89
  5. Step 5: Solve for x
    x = 6,585,757,991.89/124,143.42
  6. Step 6: Final answer
    x = 53,049.59

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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.