Home / 106,732.56-160,098.81-40,187.61

Finding the Fourth Proportional to 106,732.56, 160,098.81 and 40,187.61

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Solution

The fourth proportional to 106,732.56, 160,098.81 and 40,187.61 is: 60,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,732.56 : 160,098.81 = 40,187.61 : x
  2. Step 2: Convert to fraction form
    106,732.56/160,098.81 = 40,187.61/x
  3. Step 3: Cross multiply
    106,732.56x = 160,098.81 × 40,187.61
  4. Step 4: Simplify right side
    106,732.56x = 6,433,988,537.74
  5. Step 5: Solve for x
    x = 6,433,988,537.74/106,732.56
  6. Step 6: Final answer
    x = 60,281.40

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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.