Home / 135,529.11-203,283.90-42,032.43

Finding the Fourth Proportional to 135,529.11, 203,283.90 and 42,032.43

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Solution

The fourth proportional to 135,529.11, 203,283.90 and 42,032.43 is: 63,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,529.11 : 203,283.90 = 42,032.43 : x
  2. Step 2: Convert to fraction form
    135,529.11/203,283.90 = 42,032.43/x
  3. Step 3: Cross multiply
    135,529.11x = 203,283.90 × 42,032.43
  4. Step 4: Simplify right side
    135,529.11x = 8,544,516,296.88
  5. Step 5: Solve for x
    x = 8,544,516,296.88/135,529.11
  6. Step 6: Final answer
    x = 63,045.62

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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.