Home / 125,105.58-187,693.56-50,278.32

Finding the Fourth Proportional to 125,105.58, 187,693.56 and 50,278.32

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Solution

The fourth proportional to 125,105.58, 187,693.56 and 50,278.32 is: 75,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,105.58 : 187,693.56 = 50,278.32 : x
  2. Step 2: Convert to fraction form
    125,105.58/187,693.56 = 50,278.32/x
  3. Step 3: Cross multiply
    125,105.58x = 187,693.56 × 50,278.32
  4. Step 4: Simplify right side
    125,105.58x = 9,436,916,871.62
  5. Step 5: Solve for x
    x = 9,436,916,871.62/125,105.58
  6. Step 6: Final answer
    x = 75,431.62

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1.5x scale

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.