Home / 132,146.94-182,362.87-71,717.57

Finding the Fourth Proportional to 132,146.94, 182,362.87 and 71,717.57

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Solution

The fourth proportional to 132,146.94, 182,362.87 and 71,717.57 is: 98,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,146.94 : 182,362.87 = 71,717.57 : x
  2. Step 2: Convert to fraction form
    132,146.94/182,362.87 = 71,717.57/x
  3. Step 3: Cross multiply
    132,146.94x = 182,362.87 × 71,717.57
  4. Step 4: Simplify right side
    132,146.94x = 13,078,620,982.81
  5. Step 5: Solve for x
    x = 13,078,620,982.81/132,146.94
  6. Step 6: Final answer
    x = 98,970.29

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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.