Home / 135,500.76-203,249.30-42,006.51

Finding the Fourth Proportional to 135,500.76, 203,249.30 and 42,006.51

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Solution

The fourth proportional to 135,500.76, 203,249.30 and 42,006.51 is: 63,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,500.76 : 203,249.30 = 42,006.51 : x
  2. Step 2: Convert to fraction form
    135,500.76/203,249.30 = 42,006.51/x
  3. Step 3: Cross multiply
    135,500.76x = 203,249.30 × 42,006.51
  4. Step 4: Simplify right side
    135,500.76x = 8,537,793,542.91
  5. Step 5: Solve for x
    x = 8,537,793,542.91/135,500.76
  6. Step 6: Final answer
    x = 63,009.19

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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.