Home / 113,193.35-169,789.40-28,953.38

Finding the Fourth Proportional to 113,193.35, 169,789.40 and 28,953.38

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Solution

The fourth proportional to 113,193.35, 169,789.40 and 28,953.38 is: 43,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,193.35 : 169,789.40 = 28,953.38 : x
  2. Step 2: Convert to fraction form
    113,193.35/169,789.40 = 28,953.38/x
  3. Step 3: Cross multiply
    113,193.35x = 169,789.40 × 28,953.38
  4. Step 4: Simplify right side
    113,193.35x = 4,915,977,406.45
  5. Step 5: Solve for x
    x = 4,915,977,406.45/113,193.35
  6. Step 6: Final answer
    x = 43,429.91

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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.