Home / 260,059.73-390,164.31-108,227.25

Finding the Fourth Proportional to 260,059.73, 390,164.31 and 108,227.25

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Solution

The fourth proportional to 260,059.73, 390,164.31 and 108,227.25 is: 162,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,059.73 : 390,164.31 = 108,227.25 : x
  2. Step 2: Convert to fraction form
    260,059.73/390,164.31 = 108,227.25/x
  3. Step 3: Cross multiply
    260,059.73x = 390,164.31 × 108,227.25
  4. Step 4: Simplify right side
    260,059.73x = 42,226,410,319.45
  5. Step 5: Solve for x
    x = 42,226,410,319.45/260,059.73
  6. Step 6: Final answer
    x = 162,371.97

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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.