Home / 119,072.28-164,321.87-65,362.30

Finding the Fourth Proportional to 119,072.28, 164,321.87 and 65,362.30

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Solution

The fourth proportional to 119,072.28, 164,321.87 and 65,362.30 is: 90,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,072.28 : 164,321.87 = 65,362.30 : x
  2. Step 2: Convert to fraction form
    119,072.28/164,321.87 = 65,362.30/x
  3. Step 3: Cross multiply
    119,072.28x = 164,321.87 × 65,362.30
  4. Step 4: Simplify right side
    119,072.28x = 10,740,455,363.50
  5. Step 5: Solve for x
    x = 10,740,455,363.50/119,072.28
  6. Step 6: Final answer
    x = 90,201.14

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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.