Home / 151,518.52-209,097.01-83,537.92

Finding the Fourth Proportional to 151,518.52, 209,097.01 and 83,537.92

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Solution

The fourth proportional to 151,518.52, 209,097.01 and 83,537.92 is: 115,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,518.52 : 209,097.01 = 83,537.92 : x
  2. Step 2: Convert to fraction form
    151,518.52/209,097.01 = 83,537.92/x
  3. Step 3: Cross multiply
    151,518.52x = 209,097.01 × 83,537.92
  4. Step 4: Simplify right side
    151,518.52x = 17,467,529,293.62
  5. Step 5: Solve for x
    x = 17,467,529,293.62/151,518.52
  6. Step 6: Final answer
    x = 115,283.13

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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.