Home / 220,916.58-304,811.96-130,265.43

Finding the Fourth Proportional to 220,916.58, 304,811.96 and 130,265.43

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Solution

The fourth proportional to 220,916.58, 304,811.96 and 130,265.43 is: 179,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,916.58 : 304,811.96 = 130,265.43 : x
  2. Step 2: Convert to fraction form
    220,916.58/304,811.96 = 130,265.43/x
  3. Step 3: Cross multiply
    220,916.58x = 304,811.96 × 130,265.43
  4. Step 4: Simplify right side
    220,916.58x = 39,706,460,387.22
  5. Step 5: Solve for x
    x = 39,706,460,387.22/220,916.58
  6. Step 6: Final answer
    x = 179,735.09

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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.