Home / 278,125.24-416,940.40-100,592.76

Finding the Fourth Proportional to 278,125.24, 416,940.40 and 100,592.76

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Solution

The fourth proportional to 278,125.24, 416,940.40 and 100,592.76 is: 150,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,125.24 : 416,940.40 = 100,592.76 : x
  2. Step 2: Convert to fraction form
    278,125.24/416,940.40 = 100,592.76/x
  3. Step 3: Cross multiply
    278,125.24x = 416,940.40 × 100,592.76
  4. Step 4: Simplify right side
    278,125.24x = 41,941,185,591.50
  5. Step 5: Solve for x
    x = 41,941,185,591.50/278,125.24
  6. Step 6: Final answer
    x = 150,799.64

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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.