Home / 158,181.96-218,291.14-86,562

Finding the Fourth Proportional to 158,181.96, 218,291.14 and 86,562

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Solution

The fourth proportional to 158,181.96, 218,291.14 and 86,562 is: 119,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,181.96 : 218,291.14 = 86,562 : x
  2. Step 2: Convert to fraction form
    158,181.96/218,291.14 = 86,562/x
  3. Step 3: Cross multiply
    158,181.96x = 218,291.14 × 86,562
  4. Step 4: Simplify right side
    158,181.96x = 18,895,717,660.68
  5. Step 5: Solve for x
    x = 18,895,717,660.68/158,181.96
  6. Step 6: Final answer
    x = 119,455.58

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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.