Home / 142,930.70-214,427.00-43,082.54

Finding the Fourth Proportional to 142,930.70, 214,427.00 and 43,082.54

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Solution

The fourth proportional to 142,930.70, 214,427.00 and 43,082.54 is: 64,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,930.70 : 214,427.00 = 43,082.54 : x
  2. Step 2: Convert to fraction form
    142,930.70/214,427.00 = 43,082.54/x
  3. Step 3: Cross multiply
    142,930.70x = 214,427.00 × 43,082.54
  4. Step 4: Simplify right side
    142,930.70x = 9,238,058,840.15
  5. Step 5: Solve for x
    x = 9,238,058,840.15/142,930.70
  6. Step 6: Final answer
    x = 64,633.13

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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.