Home / 224,112.22-309,265.83-122,135.51

Finding the Fourth Proportional to 224,112.22, 309,265.83 and 122,135.51

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Solution

The fourth proportional to 224,112.22, 309,265.83 and 122,135.51 is: 168,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,112.22 : 309,265.83 = 122,135.51 : x
  2. Step 2: Convert to fraction form
    224,112.22/309,265.83 = 122,135.51/x
  3. Step 3: Cross multiply
    224,112.22x = 309,265.83 × 122,135.51
  4. Step 4: Simplify right side
    224,112.22x = 37,772,340,645.79
  5. Step 5: Solve for x
    x = 37,772,340,645.79/224,112.22
  6. Step 6: Final answer
    x = 168,542.09

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1.5x scale

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.