Home / 201,386.20-277,843.78-124,877.72

Finding the Fourth Proportional to 201,386.20, 277,843.78 and 124,877.72

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Solution

The fourth proportional to 201,386.20, 277,843.78 and 124,877.72 is: 172,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,386.20 : 277,843.78 = 124,877.72 : x
  2. Step 2: Convert to fraction form
    201,386.20/277,843.78 = 124,877.72/x
  3. Step 3: Cross multiply
    201,386.20x = 277,843.78 × 124,877.72
  4. Step 4: Simplify right side
    201,386.20x = 34,696,497,762.58
  5. Step 5: Solve for x
    x = 34,696,497,762.58/201,386.20
  6. Step 6: Final answer
    x = 172,288.36

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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.