Home / 125,522.28-188,226-74,944.26

Finding the Fourth Proportional to 125,522.28, 188,226 and 74,944.26

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Solution

The fourth proportional to 125,522.28, 188,226 and 74,944.26 is: 112,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,522.28 : 188,226 = 74,944.26 : x
  2. Step 2: Convert to fraction form
    125,522.28/188,226 = 74,944.26/x
  3. Step 3: Cross multiply
    125,522.28x = 188,226 × 74,944.26
  4. Step 4: Simplify right side
    125,522.28x = 14,106,458,282.76
  5. Step 5: Solve for x
    x = 14,106,458,282.76/125,522.28
  6. Step 6: Final answer
    x = 112,382.11

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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.