Home / 125,717.90-188,700.77-92,344.28

Finding the Fourth Proportional to 125,717.90, 188,700.77 and 92,344.28

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Solution

The fourth proportional to 125,717.90, 188,700.77 and 92,344.28 is: 138,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,717.90 : 188,700.77 = 92,344.28 : x
  2. Step 2: Convert to fraction form
    125,717.90/188,700.77 = 92,344.28/x
  3. Step 3: Cross multiply
    125,717.90x = 188,700.77 × 92,344.28
  4. Step 4: Simplify right side
    125,717.90x = 17,425,436,028.45
  5. Step 5: Solve for x
    x = 17,425,436,028.45/125,717.90
  6. Step 6: Final answer
    x = 138,607.44

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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.