Home / 348,109.80-522,201.18-148,451.28

Finding the Fourth Proportional to 348,109.80, 522,201.18 and 148,451.28

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Solution

The fourth proportional to 348,109.80, 522,201.18 and 148,451.28 is: 222,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,109.80 : 522,201.18 = 148,451.28 : x
  2. Step 2: Convert to fraction form
    348,109.80/522,201.18 = 148,451.28/x
  3. Step 3: Cross multiply
    348,109.80x = 522,201.18 × 148,451.28
  4. Step 4: Simplify right side
    348,109.80x = 77,521,433,588.51
  5. Step 5: Solve for x
    x = 77,521,433,588.51/348,109.80
  6. Step 6: Final answer
    x = 222,692.48

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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.