Home / 132,819.58-199,287.69-70,494.94

Finding the Fourth Proportional to 132,819.58, 199,287.69 and 70,494.94

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Solution

The fourth proportional to 132,819.58, 199,287.69 and 70,494.94 is: 105,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,819.58 : 199,287.69 = 70,494.94 : x
  2. Step 2: Convert to fraction form
    132,819.58/199,287.69 = 70,494.94/x
  3. Step 3: Cross multiply
    132,819.58x = 199,287.69 × 70,494.94
  4. Step 4: Simplify right side
    132,819.58x = 14,048,773,749.29
  5. Step 5: Solve for x
    x = 14,048,773,749.29/132,819.58
  6. Step 6: Final answer
    x = 105,773.36

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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.