Home / 161,333.30-222,640.14-89,711.78

Finding the Fourth Proportional to 161,333.30, 222,640.14 and 89,711.78

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Solution

The fourth proportional to 161,333.30, 222,640.14 and 89,711.78 is: 123,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,333.30 : 222,640.14 = 89,711.78 : x
  2. Step 2: Convert to fraction form
    161,333.30/222,640.14 = 89,711.78/x
  3. Step 3: Cross multiply
    161,333.30x = 222,640.14 × 89,711.78
  4. Step 4: Simplify right side
    161,333.30x = 19,973,442,145.65
  5. Step 5: Solve for x
    x = 19,973,442,145.65/161,333.30
  6. Step 6: Final answer
    x = 123,802.36

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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.