Home / 278,074.07-417,127.37-107,296.70

Finding the Fourth Proportional to 278,074.07, 417,127.37 and 107,296.70

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Solution

The fourth proportional to 278,074.07, 417,127.37 and 107,296.70 is: 160,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,074.07 : 417,127.37 = 107,296.70 : x
  2. Step 2: Convert to fraction form
    278,074.07/417,127.37 = 107,296.70/x
  3. Step 3: Cross multiply
    278,074.07x = 417,127.37 × 107,296.70
  4. Step 4: Simplify right side
    278,074.07x = 44,756,390,280.68
  5. Step 5: Solve for x
    x = 44,756,390,280.68/278,074.07
  6. Step 6: Final answer
    x = 160,951.33

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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.