Home / 132,137.92-182,501.82-87,017.68

Finding the Fourth Proportional to 132,137.92, 182,501.82 and 87,017.68

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Solution

The fourth proportional to 132,137.92, 182,501.82 and 87,017.68 is: 120,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.92 : 182,501.82 = 87,017.68 : x
  2. Step 2: Convert to fraction form
    132,137.92/182,501.82 = 87,017.68/x
  3. Step 3: Cross multiply
    132,137.92x = 182,501.82 × 87,017.68
  4. Step 4: Simplify right side
    132,137.92x = 15,880,884,972.18
  5. Step 5: Solve for x
    x = 15,880,884,972.18/132,137.92
  6. Step 6: Final answer
    x = 120,184.16

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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.