Home / 160,899.84-222,043.75-89,286.53

Finding the Fourth Proportional to 160,899.84, 222,043.75 and 89,286.53

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Solution

The fourth proportional to 160,899.84, 222,043.75 and 89,286.53 is: 123,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,899.84 : 222,043.75 = 89,286.53 : x
  2. Step 2: Convert to fraction form
    160,899.84/222,043.75 = 89,286.53/x
  3. Step 3: Cross multiply
    160,899.84x = 222,043.75 × 89,286.53
  4. Step 4: Simplify right side
    160,899.84x = 19,825,514,612.25
  5. Step 5: Solve for x
    x = 19,825,514,612.25/160,899.84
  6. Step 6: Final answer
    x = 123,216.50

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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.