Home / 186,028.57-256,719.07-101,145.43

Finding the Fourth Proportional to 186,028.57, 256,719.07 and 101,145.43

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Solution

The fourth proportional to 186,028.57, 256,719.07 and 101,145.43 is: 139,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,028.57 : 256,719.07 = 101,145.43 : x
  2. Step 2: Convert to fraction form
    186,028.57/256,719.07 = 101,145.43/x
  3. Step 3: Cross multiply
    186,028.57x = 256,719.07 × 101,145.43
  4. Step 4: Simplify right side
    186,028.57x = 25,965,960,724.35
  5. Step 5: Solve for x
    x = 25,965,960,724.35/186,028.57
  6. Step 6: Final answer
    x = 139,580.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.