Home / 188,724.25-260,353.65-112,199.92

Finding the Fourth Proportional to 188,724.25, 260,353.65 and 112,199.92

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Solution

The fourth proportional to 188,724.25, 260,353.65 and 112,199.92 is: 154,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,724.25 : 260,353.65 = 112,199.92 : x
  2. Step 2: Convert to fraction form
    188,724.25/260,353.65 = 112,199.92/x
  3. Step 3: Cross multiply
    188,724.25x = 260,353.65 × 112,199.92
  4. Step 4: Simplify right side
    188,724.25x = 29,211,660,018.99
  5. Step 5: Solve for x
    x = 29,211,660,018.99/188,724.25
  6. Step 6: Final answer
    x = 154,784.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.