Home / 125,880.14-188,755.20-37,122.36

Finding the Fourth Proportional to 125,880.14, 188,755.20 and 37,122.36

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Solution

The fourth proportional to 125,880.14, 188,755.20 and 37,122.36 is: 55,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,880.14 : 188,755.20 = 37,122.36 : x
  2. Step 2: Convert to fraction form
    125,880.14/188,755.20 = 37,122.36/x
  3. Step 3: Cross multiply
    125,880.14x = 188,755.20 × 37,122.36
  4. Step 4: Simplify right side
    125,880.14x = 7,007,038,486.27
  5. Step 5: Solve for x
    x = 7,007,038,486.27/125,880.14
  6. Step 6: Final answer
    x = 55,664.37

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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.