Home / 132,584.87-182,963.61-72,154.21

Finding the Fourth Proportional to 132,584.87, 182,963.61 and 72,154.21

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Solution

The fourth proportional to 132,584.87, 182,963.61 and 72,154.21 is: 99,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,584.87 : 182,963.61 = 72,154.21 : x
  2. Step 2: Convert to fraction form
    132,584.87/182,963.61 = 72,154.21/x
  3. Step 3: Cross multiply
    132,584.87x = 182,963.61 × 72,154.21
  4. Step 4: Simplify right side
    132,584.87x = 13,201,594,738.30
  5. Step 5: Solve for x
    x = 13,201,594,738.30/132,584.87
  6. Step 6: Final answer
    x = 99,570.90

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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.