Home / 132,172.56-182,366.64-75,582.72

Finding the Fourth Proportional to 132,172.56, 182,366.64 and 75,582.72

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Solution

The fourth proportional to 132,172.56, 182,366.64 and 75,582.72 is: 104,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.56 : 182,366.64 = 75,582.72 : x
  2. Step 2: Convert to fraction form
    132,172.56/182,366.64 = 75,582.72/x
  3. Step 3: Cross multiply
    132,172.56x = 182,366.64 × 75,582.72
  4. Step 4: Simplify right side
    132,172.56x = 13,783,766,688.46
  5. Step 5: Solve for x
    x = 13,783,766,688.46/132,172.56
  6. Step 6: Final answer
    x = 104,286.14

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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.