Home / 86,396.58-119,282.45-82,201.64

Finding the Fourth Proportional to 86,396.58, 119,282.45 and 82,201.64

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Solution

The fourth proportional to 86,396.58, 119,282.45 and 82,201.64 is: 113,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396.58 : 119,282.45 = 82,201.64 : x
  2. Step 2: Convert to fraction form
    86,396.58/119,282.45 = 82,201.64/x
  3. Step 3: Cross multiply
    86,396.58x = 119,282.45 × 82,201.64
  4. Step 4: Simplify right side
    86,396.58x = 9,805,212,005.80
  5. Step 5: Solve for x
    x = 9,805,212,005.80/86,396.58
  6. Step 6: Final answer
    x = 113,490.74

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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.