Home / 144,971.83-200,063.08-108,608.70

Finding the Fourth Proportional to 144,971.83, 200,063.08 and 108,608.70

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Solution

The fourth proportional to 144,971.83, 200,063.08 and 108,608.70 is: 149,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,971.83 : 200,063.08 = 108,608.70 : x
  2. Step 2: Convert to fraction form
    144,971.83/200,063.08 = 108,608.70/x
  3. Step 3: Cross multiply
    144,971.83x = 200,063.08 × 108,608.70
  4. Step 4: Simplify right side
    144,971.83x = 21,728,591,036.80
  5. Step 5: Solve for x
    x = 21,728,591,036.80/144,971.83
  6. Step 6: Final answer
    x = 149,881.47

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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.