Home / 161,768.15-242,653.76-43,439.49

Finding the Fourth Proportional to 161,768.15, 242,653.76 and 43,439.49

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Solution

The fourth proportional to 161,768.15, 242,653.76 and 43,439.49 is: 65,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,768.15 : 242,653.76 = 43,439.49 : x
  2. Step 2: Convert to fraction form
    161,768.15/242,653.76 = 43,439.49/x
  3. Step 3: Cross multiply
    161,768.15x = 242,653.76 × 43,439.49
  4. Step 4: Simplify right side
    161,768.15x = 10,540,755,580.98
  5. Step 5: Solve for x
    x = 10,540,755,580.98/161,768.15
  6. Step 6: Final answer
    x = 65,159.65

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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.