Home / 125,958.98-188,016.93-111,012.73

Finding the Fourth Proportional to 125,958.98, 188,016.93 and 111,012.73

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Solution

The fourth proportional to 125,958.98, 188,016.93 and 111,012.73 is: 165,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,958.98 : 188,016.93 = 111,012.73 : x
  2. Step 2: Convert to fraction form
    125,958.98/188,016.93 = 111,012.73/x
  3. Step 3: Cross multiply
    125,958.98x = 188,016.93 × 111,012.73
  4. Step 4: Simplify right side
    125,958.98x = 20,872,272,215.48
  5. Step 5: Solve for x
    x = 20,872,272,215.48/125,958.98
  6. Step 6: Final answer
    x = 165,706.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.