Home / 125,639.35-188,486.81-41,396.11

Finding the Fourth Proportional to 125,639.35, 188,486.81 and 41,396.11

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Solution

The fourth proportional to 125,639.35, 188,486.81 and 41,396.11 is: 62,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639.35 : 188,486.81 = 41,396.11 : x
  2. Step 2: Convert to fraction form
    125,639.35/188,486.81 = 41,396.11/x
  3. Step 3: Cross multiply
    125,639.35x = 188,486.81 × 41,396.11
  4. Step 4: Simplify right side
    125,639.35x = 7,802,619,570.89
  5. Step 5: Solve for x
    x = 7,802,619,570.89/125,639.35
  6. Step 6: Final answer
    x = 62,103.31

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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.