Home / 132,606.36-183,002.74-81,621.44

Finding the Fourth Proportional to 132,606.36, 183,002.74 and 81,621.44

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Solution

The fourth proportional to 132,606.36, 183,002.74 and 81,621.44 is: 112,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,606.36 : 183,002.74 = 81,621.44 : x
  2. Step 2: Convert to fraction form
    132,606.36/183,002.74 = 81,621.44/x
  3. Step 3: Cross multiply
    132,606.36x = 183,002.74 × 81,621.44
  4. Step 4: Simplify right side
    132,606.36x = 14,936,947,162.75
  5. Step 5: Solve for x
    x = 14,936,947,162.75/132,606.36
  6. Step 6: Final answer
    x = 112,641.26

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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.