Home / 193,091.40-289,637.10-122,232.60

Finding the Fourth Proportional to 193,091.40, 289,637.10 and 122,232.60

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Solution

The fourth proportional to 193,091.40, 289,637.10 and 122,232.60 is: 183,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,091.40 : 289,637.10 = 122,232.60 : x
  2. Step 2: Convert to fraction form
    193,091.40/289,637.10 = 122,232.60/x
  3. Step 3: Cross multiply
    193,091.40x = 289,637.10 × 122,232.60
  4. Step 4: Simplify right side
    193,091.40x = 35,403,095,789.46
  5. Step 5: Solve for x
    x = 35,403,095,789.46/193,091.40
  6. Step 6: Final answer
    x = 183,348.90

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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.