Home / 185,589.64-278,384.40-67,260.76

Finding the Fourth Proportional to 185,589.64, 278,384.40 and 67,260.76

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Solution

The fourth proportional to 185,589.64, 278,384.40 and 67,260.76 is: 100,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,589.64 : 278,384.40 = 67,260.76 : x
  2. Step 2: Convert to fraction form
    185,589.64/278,384.40 = 67,260.76/x
  3. Step 3: Cross multiply
    185,589.64x = 278,384.40 × 67,260.76
  4. Step 4: Simplify right side
    185,589.64x = 18,724,346,316.14
  5. Step 5: Solve for x
    x = 18,724,346,316.14/185,589.64
  6. Step 6: Final answer
    x = 100,891.12

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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.