Home / 161,106.44-222,330.90-89,483

Finding the Fourth Proportional to 161,106.44, 222,330.90 and 89,483

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Solution

The fourth proportional to 161,106.44, 222,330.90 and 89,483 is: 123,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,106.44 : 222,330.90 = 89,483 : x
  2. Step 2: Convert to fraction form
    161,106.44/222,330.90 = 89,483/x
  3. Step 3: Cross multiply
    161,106.44x = 222,330.90 × 89,483
  4. Step 4: Simplify right side
    161,106.44x = 19,894,835,924.70
  5. Step 5: Solve for x
    x = 19,894,835,924.70/161,106.44
  6. Step 6: Final answer
    x = 123,488.77

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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.