Home / 125,165.67-187,816.83-53,107.47

Finding the Fourth Proportional to 125,165.67, 187,816.83 and 53,107.47

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Solution

The fourth proportional to 125,165.67, 187,816.83 and 53,107.47 is: 79,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,165.67 : 187,816.83 = 53,107.47 : x
  2. Step 2: Convert to fraction form
    125,165.67/187,816.83 = 53,107.47/x
  3. Step 3: Cross multiply
    125,165.67x = 187,816.83 × 53,107.47
  4. Step 4: Simplify right side
    125,165.67x = 9,974,476,664.72
  5. Step 5: Solve for x
    x = 9,974,476,664.72/125,165.67
  6. Step 6: Final answer
    x = 79,690.20

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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.