Home / 278,191.27-416,810.19-186,835.42

Finding the Fourth Proportional to 278,191.27, 416,810.19 and 186,835.42

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Solution

The fourth proportional to 278,191.27, 416,810.19 and 186,835.42 is: 279,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,191.27 : 416,810.19 = 186,835.42 : x
  2. Step 2: Convert to fraction form
    278,191.27/416,810.19 = 186,835.42/x
  3. Step 3: Cross multiply
    278,191.27x = 416,810.19 × 186,835.42
  4. Step 4: Simplify right side
    278,191.27x = 77,874,904,824.88
  5. Step 5: Solve for x
    x = 77,874,904,824.88/278,191.27
  6. Step 6: Final answer
    x = 279,932.96

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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.