Home / 119,922.74-165,493.62-66,207.86

Finding the Fourth Proportional to 119,922.74, 165,493.62 and 66,207.86

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Solution

The fourth proportional to 119,922.74, 165,493.62 and 66,207.86 is: 91,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,922.74 : 165,493.62 = 66,207.86 : x
  2. Step 2: Convert to fraction form
    119,922.74/165,493.62 = 66,207.86/x
  3. Step 3: Cross multiply
    119,922.74x = 165,493.62 × 66,207.86
  4. Step 4: Simplify right side
    119,922.74x = 10,956,977,596.39
  5. Step 5: Solve for x
    x = 10,956,977,596.39/119,922.74
  6. Step 6: Final answer
    x = 91,366.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.