Home / 132,880.59-183,371.87-72,452.40

Finding the Fourth Proportional to 132,880.59, 183,371.87 and 72,452.40

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Solution

The fourth proportional to 132,880.59, 183,371.87 and 72,452.40 is: 99,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880.59 : 183,371.87 = 72,452.40 : x
  2. Step 2: Convert to fraction form
    132,880.59/183,371.87 = 72,452.40/x
  3. Step 3: Cross multiply
    132,880.59x = 183,371.87 × 72,452.40
  4. Step 4: Simplify right side
    132,880.59x = 13,285,731,711.73
  5. Step 5: Solve for x
    x = 13,285,731,711.73/132,880.59
  6. Step 6: Final answer
    x = 99,982.49

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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.