Home / 125,639.28-188,486.72-41,396.04

Finding the Fourth Proportional to 125,639.28, 188,486.72 and 41,396.04

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Solution

The fourth proportional to 125,639.28, 188,486.72 and 41,396.04 is: 62,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639.28 : 188,486.72 = 41,396.04 : x
  2. Step 2: Convert to fraction form
    125,639.28/188,486.72 = 41,396.04/x
  3. Step 3: Cross multiply
    125,639.28x = 188,486.72 × 41,396.04
  4. Step 4: Simplify right side
    125,639.28x = 7,802,604,168.32
  5. Step 5: Solve for x
    x = 7,802,604,168.32/125,639.28
  6. Step 6: Final answer
    x = 62,103.22

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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.