Home / 157,788.76-236,676.66-87,623.32

Finding the Fourth Proportional to 157,788.76, 236,676.66 and 87,623.32

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Solution

The fourth proportional to 157,788.76, 236,676.66 and 87,623.32 is: 131,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788.76 : 236,676.66 = 87,623.32 : x
  2. Step 2: Convert to fraction form
    157,788.76/236,676.66 = 87,623.32/x
  3. Step 3: Cross multiply
    157,788.76x = 236,676.66 × 87,623.32
  4. Step 4: Simplify right side
    157,788.76x = 20,738,394,715.71
  5. Step 5: Solve for x
    x = 20,738,394,715.71/157,788.76
  6. Step 6: Final answer
    x = 131,431.38

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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.