Home / 147,150.92-203,013.60-89,770.52

Finding the Fourth Proportional to 147,150.92, 203,013.60 and 89,770.52

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Solution

The fourth proportional to 147,150.92, 203,013.60 and 89,770.52 is: 123,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,150.92 : 203,013.60 = 89,770.52 : x
  2. Step 2: Convert to fraction form
    147,150.92/203,013.60 = 89,770.52/x
  3. Step 3: Cross multiply
    147,150.92x = 203,013.60 × 89,770.52
  4. Step 4: Simplify right side
    147,150.92x = 18,224,636,439.07
  5. Step 5: Solve for x
    x = 18,224,636,439.07/147,150.92
  6. Step 6: Final answer
    x = 123,849.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.