Home / 248,991.40-373,262.14-91,109.80

Finding the Fourth Proportional to 248,991.40, 373,262.14 and 91,109.80

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Solution

The fourth proportional to 248,991.40, 373,262.14 and 91,109.80 is: 136,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,991.40 : 373,262.14 = 91,109.80 : x
  2. Step 2: Convert to fraction form
    248,991.40/373,262.14 = 91,109.80/x
  3. Step 3: Cross multiply
    248,991.40x = 373,262.14 × 91,109.80
  4. Step 4: Simplify right side
    248,991.40x = 34,007,838,922.97
  5. Step 5: Solve for x
    x = 34,007,838,922.97/248,991.40
  6. Step 6: Final answer
    x = 136,582.38

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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.