Home / 272,667.09-409,171.14-104,201.81

Finding the Fourth Proportional to 272,667.09, 409,171.14 and 104,201.81

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Solution

The fourth proportional to 272,667.09, 409,171.14 and 104,201.81 is: 156,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,667.09 : 409,171.14 = 104,201.81 : x
  2. Step 2: Convert to fraction form
    272,667.09/409,171.14 = 104,201.81/x
  3. Step 3: Cross multiply
    272,667.09x = 409,171.14 × 104,201.81
  4. Step 4: Simplify right side
    272,667.09x = 42,636,371,341.91
  5. Step 5: Solve for x
    x = 42,636,371,341.91/272,667.09
  6. Step 6: Final answer
    x = 156,367.87

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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.