Home / 158,979.85-238,321.54-53,725.21

Finding the Fourth Proportional to 158,979.85, 238,321.54 and 53,725.21

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Solution

The fourth proportional to 158,979.85, 238,321.54 and 53,725.21 is: 80,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,979.85 : 238,321.54 = 53,725.21 : x
  2. Step 2: Convert to fraction form
    158,979.85/238,321.54 = 53,725.21/x
  3. Step 3: Cross multiply
    158,979.85x = 238,321.54 × 53,725.21
  4. Step 4: Simplify right side
    158,979.85x = 12,803,874,784.02
  5. Step 5: Solve for x
    x = 12,803,874,784.02/158,979.85
  6. Step 6: Final answer
    x = 80,537.72

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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.