Home / 115,181.73-158,952.38-64,193.04

Finding the Fourth Proportional to 115,181.73, 158,952.38 and 64,193.04

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Solution

The fourth proportional to 115,181.73, 158,952.38 and 64,193.04 is: 88,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,181.73 : 158,952.38 = 64,193.04 : x
  2. Step 2: Convert to fraction form
    115,181.73/158,952.38 = 64,193.04/x
  3. Step 3: Cross multiply
    115,181.73x = 158,952.38 × 64,193.04
  4. Step 4: Simplify right side
    115,181.73x = 10,203,636,166.47
  5. Step 5: Solve for x
    x = 10,203,636,166.47/115,181.73
  6. Step 6: Final answer
    x = 88,587.28

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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.