Home / 132,311.34-182,605.59-75,721.50

Finding the Fourth Proportional to 132,311.34, 182,605.59 and 75,721.50

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Solution

The fourth proportional to 132,311.34, 182,605.59 and 75,721.50 is: 104,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,311.34 : 182,605.59 = 75,721.50 : x
  2. Step 2: Convert to fraction form
    132,311.34/182,605.59 = 75,721.50/x
  3. Step 3: Cross multiply
    132,311.34x = 182,605.59 × 75,721.50
  4. Step 4: Simplify right side
    132,311.34x = 13,827,169,183.19
  5. Step 5: Solve for x
    x = 13,827,169,183.19/132,311.34
  6. Step 6: Final answer
    x = 104,504.79

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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.