Home / 186,074.20-279,111.30-177,520.60

Finding the Fourth Proportional to 186,074.20, 279,111.30 and 177,520.60

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Solution

The fourth proportional to 186,074.20, 279,111.30 and 177,520.60 is: 266,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,074.20 : 279,111.30 = 177,520.60 : x
  2. Step 2: Convert to fraction form
    186,074.20/279,111.30 = 177,520.60/x
  3. Step 3: Cross multiply
    186,074.20x = 279,111.30 × 177,520.60
  4. Step 4: Simplify right side
    186,074.20x = 49,548,005,442.78
  5. Step 5: Solve for x
    x = 49,548,005,442.78/186,074.20
  6. Step 6: Final answer
    x = 266,280.90

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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.