Home / 132,824.16-183,296.17-72,394.80

Finding the Fourth Proportional to 132,824.16, 183,296.17 and 72,394.80

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Solution

The fourth proportional to 132,824.16, 183,296.17 and 72,394.80 is: 99,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,824.16 : 183,296.17 = 72,394.80 : x
  2. Step 2: Convert to fraction form
    132,824.16/183,296.17 = 72,394.80/x
  3. Step 3: Cross multiply
    132,824.16x = 183,296.17 × 72,394.80
  4. Step 4: Simplify right side
    132,824.16x = 13,269,689,205.94
  5. Step 5: Solve for x
    x = 13,269,689,205.94/132,824.16
  6. Step 6: Final answer
    x = 99,904.19

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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.