Home / 186,086.52-256,805.14-105,517.40

Finding the Fourth Proportional to 186,086.52, 256,805.14 and 105,517.40

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Solution

The fourth proportional to 186,086.52, 256,805.14 and 105,517.40 is: 145,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,086.52 : 256,805.14 = 105,517.40 : x
  2. Step 2: Convert to fraction form
    186,086.52/256,805.14 = 105,517.40/x
  3. Step 3: Cross multiply
    186,086.52x = 256,805.14 × 105,517.40
  4. Step 4: Simplify right side
    186,086.52x = 27,097,410,679.44
  5. Step 5: Solve for x
    x = 27,097,410,679.44/186,086.52
  6. Step 6: Final answer
    x = 145,617.27

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1.5x scale

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.