Home / 157,183.85-235,565.48-77,099.36

Finding the Fourth Proportional to 157,183.85, 235,565.48 and 77,099.36

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Solution

The fourth proportional to 157,183.85, 235,565.48 and 77,099.36 is: 115,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,183.85 : 235,565.48 = 77,099.36 : x
  2. Step 2: Convert to fraction form
    157,183.85/235,565.48 = 77,099.36/x
  3. Step 3: Cross multiply
    157,183.85x = 235,565.48 × 77,099.36
  4. Step 4: Simplify right side
    157,183.85x = 18,161,946,761.01
  5. Step 5: Solve for x
    x = 18,161,946,761.01/157,183.85
  6. Step 6: Final answer
    x = 115,545.88

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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.