Home / 158,952.36-238,489.68-70,143.12

Finding the Fourth Proportional to 158,952.36, 238,489.68 and 70,143.12

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Solution

The fourth proportional to 158,952.36, 238,489.68 and 70,143.12 is: 105,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,952.36 : 238,489.68 = 70,143.12 : x
  2. Step 2: Convert to fraction form
    158,952.36/238,489.68 = 70,143.12/x
  3. Step 3: Cross multiply
    158,952.36x = 238,489.68 × 70,143.12
  4. Step 4: Simplify right side
    158,952.36x = 16,728,410,243.00
  5. Step 5: Solve for x
    x = 16,728,410,243.00/158,952.36
  6. Step 6: Final answer
    x = 105,241.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.