Home / 125,874.21-188,806.19-31,102.01

Finding the Fourth Proportional to 125,874.21, 188,806.19 and 31,102.01

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Solution

The fourth proportional to 125,874.21, 188,806.19 and 31,102.01 is: 46,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,874.21 : 188,806.19 = 31,102.01 : x
  2. Step 2: Convert to fraction form
    125,874.21/188,806.19 = 31,102.01/x
  3. Step 3: Cross multiply
    125,874.21x = 188,806.19 × 31,102.01
  4. Step 4: Simplify right side
    125,874.21x = 5,872,250,987.66
  5. Step 5: Solve for x
    x = 5,872,250,987.66/125,874.21
  6. Step 6: Final answer
    x = 46,651.74

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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.