Home / 157,716.80-236,665.92-87,590.24

Finding the Fourth Proportional to 157,716.80, 236,665.92 and 87,590.24

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Solution

The fourth proportional to 157,716.80, 236,665.92 and 87,590.24 is: 131,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,716.80 : 236,665.92 = 87,590.24 : x
  2. Step 2: Convert to fraction form
    157,716.80/236,665.92 = 87,590.24/x
  3. Step 3: Cross multiply
    157,716.80x = 236,665.92 × 87,590.24
  4. Step 4: Simplify right side
    157,716.80x = 20,729,624,732.62
  5. Step 5: Solve for x
    x = 20,729,624,732.62/157,716.80
  6. Step 6: Final answer
    x = 131,435.74

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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.