Home / 193,335.07-289,999.40-79,459.80

Finding the Fourth Proportional to 193,335.07, 289,999.40 and 79,459.80

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Solution

The fourth proportional to 193,335.07, 289,999.40 and 79,459.80 is: 119,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,335.07 : 289,999.40 = 79,459.80 : x
  2. Step 2: Convert to fraction form
    193,335.07/289,999.40 = 79,459.80/x
  3. Step 3: Cross multiply
    193,335.07x = 289,999.40 × 79,459.80
  4. Step 4: Simplify right side
    193,335.07x = 23,043,292,874.12
  5. Step 5: Solve for x
    x = 23,043,292,874.12/193,335.07
  6. Step 6: Final answer
    x = 119,188.38

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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.