Home / 348,550.70-522,721.35-123,881.60

Finding the Fourth Proportional to 348,550.70, 522,721.35 and 123,881.60

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Solution

The fourth proportional to 348,550.70, 522,721.35 and 123,881.60 is: 185,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,550.70 : 522,721.35 = 123,881.60 : x
  2. Step 2: Convert to fraction form
    348,550.70/522,721.35 = 123,881.60/x
  3. Step 3: Cross multiply
    348,550.70x = 522,721.35 × 123,881.60
  4. Step 4: Simplify right side
    348,550.70x = 64,755,557,192.16
  5. Step 5: Solve for x
    x = 64,755,557,192.16/348,550.70
  6. Step 6: Final answer
    x = 185,785.19

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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.