Home / 161,921.91-242,890.16-49,593.95

Finding the Fourth Proportional to 161,921.91, 242,890.16 and 49,593.95

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Solution

The fourth proportional to 161,921.91, 242,890.16 and 49,593.95 is: 74,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,921.91 : 242,890.16 = 49,593.95 : x
  2. Step 2: Convert to fraction form
    161,921.91/242,890.16 = 49,593.95/x
  3. Step 3: Cross multiply
    161,921.91x = 242,890.16 × 49,593.95
  4. Step 4: Simplify right side
    161,921.91x = 12,045,882,450.53
  5. Step 5: Solve for x
    x = 12,045,882,450.53/161,921.91
  6. Step 6: Final answer
    x = 74,393.16

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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.