Home / 132,566.44-182,945.06-72,140.36

Finding the Fourth Proportional to 132,566.44, 182,945.06 and 72,140.36

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Solution

The fourth proportional to 132,566.44, 182,945.06 and 72,140.36 is: 99,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,566.44 : 182,945.06 = 72,140.36 : x
  2. Step 2: Convert to fraction form
    132,566.44/182,945.06 = 72,140.36/x
  3. Step 3: Cross multiply
    132,566.44x = 182,945.06 × 72,140.36
  4. Step 4: Simplify right side
    132,566.44x = 13,197,722,488.62
  5. Step 5: Solve for x
    x = 13,197,722,488.62/132,566.44
  6. Step 6: Final answer
    x = 99,555.53

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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.