Home / 132,892.56-183,395.43-81,218.03

Finding the Fourth Proportional to 132,892.56, 183,395.43 and 81,218.03

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Solution

The fourth proportional to 132,892.56, 183,395.43 and 81,218.03 is: 112,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,892.56 : 183,395.43 = 81,218.03 : x
  2. Step 2: Convert to fraction form
    132,892.56/183,395.43 = 81,218.03/x
  3. Step 3: Cross multiply
    132,892.56x = 183,395.43 × 81,218.03
  4. Step 4: Simplify right side
    132,892.56x = 14,895,014,618.63
  5. Step 5: Solve for x
    x = 14,895,014,618.63/132,892.56
  6. Step 6: Final answer
    x = 112,083.13

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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.