Home / 157,067.86-235,568.67-51,862.90

Finding the Fourth Proportional to 157,067.86, 235,568.67 and 51,862.90

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Solution

The fourth proportional to 157,067.86, 235,568.67 and 51,862.90 is: 77,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067.86 : 235,568.67 = 51,862.90 : x
  2. Step 2: Convert to fraction form
    157,067.86/235,568.67 = 51,862.90/x
  3. Step 3: Cross multiply
    157,067.86x = 235,568.67 × 51,862.90
  4. Step 4: Simplify right side
    157,067.86x = 12,217,274,375.34
  5. Step 5: Solve for x
    x = 12,217,274,375.34/157,067.86
  6. Step 6: Final answer
    x = 77,783.41

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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.