Home / 132,227.36-182,475-71,798.64

Finding the Fourth Proportional to 132,227.36, 182,475 and 71,798.64

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Solution

The fourth proportional to 132,227.36, 182,475 and 71,798.64 is: 99,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,227.36 : 182,475 = 71,798.64 : x
  2. Step 2: Convert to fraction form
    132,227.36/182,475 = 71,798.64/x
  3. Step 3: Cross multiply
    132,227.36x = 182,475 × 71,798.64
  4. Step 4: Simplify right side
    132,227.36x = 13,101,456,834
  5. Step 5: Solve for x
    x = 13,101,456,834/132,227.36
  6. Step 6: Final answer
    x = 99,082.80

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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.