Home / 165,517.50-248,276.88-40,858.50

Finding the Fourth Proportional to 165,517.50, 248,276.88 and 40,858.50

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Solution

The fourth proportional to 165,517.50, 248,276.88 and 40,858.50 is: 61,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,517.50 : 248,276.88 = 40,858.50 : x
  2. Step 2: Convert to fraction form
    165,517.50/248,276.88 = 40,858.50/x
  3. Step 3: Cross multiply
    165,517.50x = 248,276.88 × 40,858.50
  4. Step 4: Simplify right side
    165,517.50x = 10,144,220,901.48
  5. Step 5: Solve for x
    x = 10,144,220,901.48/165,517.50
  6. Step 6: Final answer
    x = 61,287.91

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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.