Home / 157,714.80-236,662.92-87,588.24

Finding the Fourth Proportional to 157,714.80, 236,662.92 and 87,588.24

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Solution

The fourth proportional to 157,714.80, 236,662.92 and 87,588.24 is: 131,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,714.80 : 236,662.92 = 87,588.24 : x
  2. Step 2: Convert to fraction form
    157,714.80/236,662.92 = 87,588.24/x
  3. Step 3: Cross multiply
    157,714.80x = 236,662.92 × 87,588.24
  4. Step 4: Simplify right side
    157,714.80x = 20,728,888,636.06
  5. Step 5: Solve for x
    x = 20,728,888,636.06/157,714.80
  6. Step 6: Final answer
    x = 131,432.74

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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.