Home / 179,213.57-247,314.78-98,640.51

Finding the Fourth Proportional to 179,213.57, 247,314.78 and 98,640.51

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Solution

The fourth proportional to 179,213.57, 247,314.78 and 98,640.51 is: 136,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,213.57 : 247,314.78 = 98,640.51 : x
  2. Step 2: Convert to fraction form
    179,213.57/247,314.78 = 98,640.51/x
  3. Step 3: Cross multiply
    179,213.57x = 247,314.78 × 98,640.51
  4. Step 4: Simplify right side
    179,213.57x = 24,395,256,029.74
  5. Step 5: Solve for x
    x = 24,395,256,029.74/179,213.57
  6. Step 6: Final answer
    x = 136,123.94

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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.