Home / 132,568.24-182,940.49-72,137.48

Finding the Fourth Proportional to 132,568.24, 182,940.49 and 72,137.48

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Solution

The fourth proportional to 132,568.24, 182,940.49 and 72,137.48 is: 99,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,568.24 : 182,940.49 = 72,137.48 : x
  2. Step 2: Convert to fraction form
    132,568.24/182,940.49 = 72,137.48/x
  3. Step 3: Cross multiply
    132,568.24x = 182,940.49 × 72,137.48
  4. Step 4: Simplify right side
    132,568.24x = 13,196,865,938.57
  5. Step 5: Solve for x
    x = 13,196,865,938.57/132,568.24
  6. Step 6: Final answer
    x = 99,547.72

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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.