Home / 186,236.50-256,961.55-109,758.64

Finding the Fourth Proportional to 186,236.50, 256,961.55 and 109,758.64

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Solution

The fourth proportional to 186,236.50, 256,961.55 and 109,758.64 is: 151,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,236.50 : 256,961.55 = 109,758.64 : x
  2. Step 2: Convert to fraction form
    186,236.50/256,961.55 = 109,758.64/x
  3. Step 3: Cross multiply
    186,236.50x = 256,961.55 × 109,758.64
  4. Step 4: Simplify right side
    186,236.50x = 28,203,750,260.29
  5. Step 5: Solve for x
    x = 28,203,750,260.29/186,236.50
  6. Step 6: Final answer
    x = 151,440.51

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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.