Home / 132,820.02-183,286.26-72,389.37

Finding the Fourth Proportional to 132,820.02, 183,286.26 and 72,389.37

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Solution

The fourth proportional to 132,820.02, 183,286.26 and 72,389.37 is: 99,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,820.02 : 183,286.26 = 72,389.37 : x
  2. Step 2: Convert to fraction form
    132,820.02/183,286.26 = 72,389.37/x
  3. Step 3: Cross multiply
    132,820.02x = 183,286.26 × 72,389.37
  4. Step 4: Simplify right side
    132,820.02x = 13,267,976,891.06
  5. Step 5: Solve for x
    x = 13,267,976,891.06/132,820.02
  6. Step 6: Final answer
    x = 99,894.41

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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.