Home / 132,789.17-183,233.61-81,080.26

Finding the Fourth Proportional to 132,789.17, 183,233.61 and 81,080.26

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Solution

The fourth proportional to 132,789.17, 183,233.61 and 81,080.26 is: 111,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,789.17 : 183,233.61 = 81,080.26 : x
  2. Step 2: Convert to fraction form
    132,789.17/183,233.61 = 81,080.26/x
  3. Step 3: Cross multiply
    132,789.17x = 183,233.61 × 81,080.26
  4. Step 4: Simplify right side
    132,789.17x = 14,856,628,281.45
  5. Step 5: Solve for x
    x = 14,856,628,281.45/132,789.17
  6. Step 6: Final answer
    x = 111,881.32

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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.