Home / 131,788.47-197,653.07-60,642.86

Finding the Fourth Proportional to 131,788.47, 197,653.07 and 60,642.86

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Solution

The fourth proportional to 131,788.47, 197,653.07 and 60,642.86 is: 90,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,788.47 : 197,653.07 = 60,642.86 : x
  2. Step 2: Convert to fraction form
    131,788.47/197,653.07 = 60,642.86/x
  3. Step 3: Cross multiply
    131,788.47x = 197,653.07 × 60,642.86
  4. Step 4: Simplify right side
    131,788.47x = 11,986,246,161.10
  5. Step 5: Solve for x
    x = 11,986,246,161.10/131,788.47
  6. Step 6: Final answer
    x = 90,950.64

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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.