Home / 165,946.44-249,104.29-85,963.06

Finding the Fourth Proportional to 165,946.44, 249,104.29 and 85,963.06

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Solution

The fourth proportional to 165,946.44, 249,104.29 and 85,963.06 is: 129,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,946.44 : 249,104.29 = 85,963.06 : x
  2. Step 2: Convert to fraction form
    165,946.44/249,104.29 = 85,963.06/x
  3. Step 3: Cross multiply
    165,946.44x = 249,104.29 × 85,963.06
  4. Step 4: Simplify right side
    165,946.44x = 21,413,765,782.01
  5. Step 5: Solve for x
    x = 21,413,765,782.01/165,946.44
  6. Step 6: Final answer
    x = 129,040.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.