Home / 151,930.65-209,663.43-83,947.65

Finding the Fourth Proportional to 151,930.65, 209,663.43 and 83,947.65

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Solution

The fourth proportional to 151,930.65, 209,663.43 and 83,947.65 is: 115,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,930.65 : 209,663.43 = 83,947.65 : x
  2. Step 2: Convert to fraction form
    151,930.65/209,663.43 = 83,947.65/x
  3. Step 3: Cross multiply
    151,930.65x = 209,663.43 × 83,947.65
  4. Step 4: Simplify right side
    151,930.65x = 17,600,752,239.44
  5. Step 5: Solve for x
    x = 17,600,752,239.44/151,930.65
  6. Step 6: Final answer
    x = 115,847.28

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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.