Home / 125,383.11-188,139.33-83,292.27

Finding the Fourth Proportional to 125,383.11, 188,139.33 and 83,292.27

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Solution

The fourth proportional to 125,383.11, 188,139.33 and 83,292.27 is: 124,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,383.11 : 188,139.33 = 83,292.27 : x
  2. Step 2: Convert to fraction form
    125,383.11/188,139.33 = 83,292.27/x
  3. Step 3: Cross multiply
    125,383.11x = 188,139.33 × 83,292.27
  4. Step 4: Simplify right side
    125,383.11x = 15,670,551,871.98
  5. Step 5: Solve for x
    x = 15,670,551,871.98/125,383.11
  6. Step 6: Final answer
    x = 124,981.36

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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.