Home / 135,960.38-203,944.58-64,890.50

Finding the Fourth Proportional to 135,960.38, 203,944.58 and 64,890.50

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Solution

The fourth proportional to 135,960.38, 203,944.58 and 64,890.50 is: 97,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960.38 : 203,944.58 = 64,890.50 : x
  2. Step 2: Convert to fraction form
    135,960.38/203,944.58 = 64,890.50/x
  3. Step 3: Cross multiply
    135,960.38x = 203,944.58 × 64,890.50
  4. Step 4: Simplify right side
    135,960.38x = 13,234,064,424.31
  5. Step 5: Solve for x
    x = 13,234,064,424.31/135,960.38
  6. Step 6: Final answer
    x = 97,337.66

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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.