Home / 193,315.60-289,973.40-179,318.80

Finding the Fourth Proportional to 193,315.60, 289,973.40 and 179,318.80

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Solution

The fourth proportional to 193,315.60, 289,973.40 and 179,318.80 is: 268,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,315.60 : 289,973.40 = 179,318.80 : x
  2. Step 2: Convert to fraction form
    193,315.60/289,973.40 = 179,318.80/x
  3. Step 3: Cross multiply
    193,315.60x = 289,973.40 × 179,318.80
  4. Step 4: Simplify right side
    193,315.60x = 51,997,682,119.92
  5. Step 5: Solve for x
    x = 51,997,682,119.92/193,315.60
  6. Step 6: Final answer
    x = 268,978.20

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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.