Home / 165,716.40-248,509.80-60,481.20

Finding the Fourth Proportional to 165,716.40, 248,509.80 and 60,481.20

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Solution

The fourth proportional to 165,716.40, 248,509.80 and 60,481.20 is: 90,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,716.40 : 248,509.80 = 60,481.20 : x
  2. Step 2: Convert to fraction form
    165,716.40/248,509.80 = 60,481.20/x
  3. Step 3: Cross multiply
    165,716.40x = 248,509.80 × 60,481.20
  4. Step 4: Simplify right side
    165,716.40x = 15,030,170,915.76
  5. Step 5: Solve for x
    x = 15,030,170,915.76/165,716.40
  6. Step 6: Final answer
    x = 90,698.15

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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.