Home / 265,514.41-398,185.48-87,973.75

Finding the Fourth Proportional to 265,514.41, 398,185.48 and 87,973.75

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Solution

The fourth proportional to 265,514.41, 398,185.48 and 87,973.75 is: 131,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,514.41 : 398,185.48 = 87,973.75 : x
  2. Step 2: Convert to fraction form
    265,514.41/398,185.48 = 87,973.75/x
  3. Step 3: Cross multiply
    265,514.41x = 398,185.48 × 87,973.75
  4. Step 4: Simplify right side
    265,514.41x = 35,029,869,871.15
  5. Step 5: Solve for x
    x = 35,029,869,871.15/265,514.41
  6. Step 6: Final answer
    x = 131,932.09

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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.