Home / 194,640.22-268,603.05-109,756.68

Finding the Fourth Proportional to 194,640.22, 268,603.05 and 109,756.68

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Solution

The fourth proportional to 194,640.22, 268,603.05 and 109,756.68 is: 151,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,640.22 : 268,603.05 = 109,756.68 : x
  2. Step 2: Convert to fraction form
    194,640.22/268,603.05 = 109,756.68/x
  3. Step 3: Cross multiply
    194,640.22x = 268,603.05 × 109,756.68
  4. Step 4: Simplify right side
    194,640.22x = 29,480,979,005.87
  5. Step 5: Solve for x
    x = 29,480,979,005.87/194,640.22
  6. Step 6: Final answer
    x = 151,463.96

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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.