Home / 193,002.98-289,405.71-80,652.51

Finding the Fourth Proportional to 193,002.98, 289,405.71 and 80,652.51

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Solution

The fourth proportional to 193,002.98, 289,405.71 and 80,652.51 is: 120,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,002.98 : 289,405.71 = 80,652.51 : x
  2. Step 2: Convert to fraction form
    193,002.98/289,405.71 = 80,652.51/x
  3. Step 3: Cross multiply
    193,002.98x = 289,405.71 × 80,652.51
  4. Step 4: Simplify right side
    193,002.98x = 23,341,296,919.83
  5. Step 5: Solve for x
    x = 23,341,296,919.83/193,002.98
  6. Step 6: Final answer
    x = 120,937.50

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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.