Home / 119,122.35-164,356.72-68,124.54

Finding the Fourth Proportional to 119,122.35, 164,356.72 and 68,124.54

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Solution

The fourth proportional to 119,122.35, 164,356.72 and 68,124.54 is: 93,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,122.35 : 164,356.72 = 68,124.54 : x
  2. Step 2: Convert to fraction form
    119,122.35/164,356.72 = 68,124.54/x
  3. Step 3: Cross multiply
    119,122.35x = 164,356.72 × 68,124.54
  4. Step 4: Simplify right side
    119,122.35x = 11,196,725,945.91
  5. Step 5: Solve for x
    x = 11,196,725,945.91/119,122.35
  6. Step 6: Final answer
    x = 93,993.49

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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.