Home / 119,819.58-165,351.55-66,106.18

Finding the Fourth Proportional to 119,819.58, 165,351.55 and 66,106.18

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Solution

The fourth proportional to 119,819.58, 165,351.55 and 66,106.18 is: 91,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.58 : 165,351.55 = 66,106.18 : x
  2. Step 2: Convert to fraction form
    119,819.58/165,351.55 = 66,106.18/x
  3. Step 3: Cross multiply
    119,819.58x = 165,351.55 × 66,106.18
  4. Step 4: Simplify right side
    119,819.58x = 10,930,758,748.77
  5. Step 5: Solve for x
    x = 10,930,758,748.77/119,819.58
  6. Step 6: Final answer
    x = 91,226.82

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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.