Home / 125,920.17-187,958.98-110,973.85

Finding the Fourth Proportional to 125,920.17, 187,958.98 and 110,973.85

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Solution

The fourth proportional to 125,920.17, 187,958.98 and 110,973.85 is: 165,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920.17 : 187,958.98 = 110,973.85 : x
  2. Step 2: Convert to fraction form
    125,920.17/187,958.98 = 110,973.85/x
  3. Step 3: Cross multiply
    125,920.17x = 187,958.98 × 110,973.85
  4. Step 4: Simplify right side
    125,920.17x = 20,858,531,321.49
  5. Step 5: Solve for x
    x = 20,858,531,321.49/125,920.17
  6. Step 6: Final answer
    x = 165,648.85

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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.