Home / 158,991.16-238,497.78-53,774.56

Finding the Fourth Proportional to 158,991.16, 238,497.78 and 53,774.56

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Solution

The fourth proportional to 158,991.16, 238,497.78 and 53,774.56 is: 80,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,991.16 : 238,497.78 = 53,774.56 : x
  2. Step 2: Convert to fraction form
    158,991.16/238,497.78 = 53,774.56/x
  3. Step 3: Cross multiply
    158,991.16x = 238,497.78 × 53,774.56
  4. Step 4: Simplify right side
    158,991.16x = 12,825,113,180.48
  5. Step 5: Solve for x
    x = 12,825,113,180.48/158,991.16
  6. Step 6: Final answer
    x = 80,665.57

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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.