Home / 147,917.94-204,128.06-136,616.61

Finding the Fourth Proportional to 147,917.94, 204,128.06 and 136,616.61

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Solution

The fourth proportional to 147,917.94, 204,128.06 and 136,616.61 is: 188,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917.94 : 204,128.06 = 136,616.61 : x
  2. Step 2: Convert to fraction form
    147,917.94/204,128.06 = 136,616.61/x
  3. Step 3: Cross multiply
    147,917.94x = 204,128.06 × 136,616.61
  4. Step 4: Simplify right side
    147,917.94x = 27,887,283,563.08
  5. Step 5: Solve for x
    x = 27,887,283,563.08/147,917.94
  6. Step 6: Final answer
    x = 188,532.13

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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.