Home / 118,725.92-177,807.78-103,058.66

Finding the Fourth Proportional to 118,725.92, 177,807.78 and 103,058.66

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Solution

The fourth proportional to 118,725.92, 177,807.78 and 103,058.66 is: 154,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,725.92 : 177,807.78 = 103,058.66 : x
  2. Step 2: Convert to fraction form
    118,725.92/177,807.78 = 103,058.66/x
  3. Step 3: Cross multiply
    118,725.92x = 177,807.78 × 103,058.66
  4. Step 4: Simplify right side
    118,725.92x = 18,324,631,544.37
  5. Step 5: Solve for x
    x = 18,324,631,544.37/118,725.92
  6. Step 6: Final answer
    x = 154,343.98

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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.