Home / 119,204.82-164,502-64,756.62

Finding the Fourth Proportional to 119,204.82, 164,502 and 64,756.62

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Solution

The fourth proportional to 119,204.82, 164,502 and 64,756.62 is: 89,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,204.82 : 164,502 = 64,756.62 : x
  2. Step 2: Convert to fraction form
    119,204.82/164,502 = 64,756.62/x
  3. Step 3: Cross multiply
    119,204.82x = 164,502 × 64,756.62
  4. Step 4: Simplify right side
    119,204.82x = 10,652,593,503.24
  5. Step 5: Solve for x
    x = 10,652,593,503.24/119,204.82
  6. Step 6: Final answer
    x = 89,363.78

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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.