Home / 165,371.60-248,057.40-164,205.20

Finding the Fourth Proportional to 165,371.60, 248,057.40 and 164,205.20

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Solution

The fourth proportional to 165,371.60, 248,057.40 and 164,205.20 is: 246,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,371.60 : 248,057.40 = 164,205.20 : x
  2. Step 2: Convert to fraction form
    165,371.60/248,057.40 = 164,205.20/x
  3. Step 3: Cross multiply
    165,371.60x = 248,057.40 × 164,205.20
  4. Step 4: Simplify right side
    165,371.60x = 40,732,314,978.48
  5. Step 5: Solve for x
    x = 40,732,314,978.48/165,371.60
  6. Step 6: Final answer
    x = 246,307.80

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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.