Home / 151,837.62-209,532.33-83,853.24

Finding the Fourth Proportional to 151,837.62, 209,532.33 and 83,853.24

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Solution

The fourth proportional to 151,837.62, 209,532.33 and 83,853.24 is: 115,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,837.62 : 209,532.33 = 83,853.24 : x
  2. Step 2: Convert to fraction form
    151,837.62/209,532.33 = 83,853.24/x
  3. Step 3: Cross multiply
    151,837.62x = 209,532.33 × 83,853.24
  4. Step 4: Simplify right side
    151,837.62x = 17,569,964,755.25
  5. Step 5: Solve for x
    x = 17,569,964,755.25/151,837.62
  6. Step 6: Final answer
    x = 115,715.49

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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.