Home / 193,137.02-289,769.25-74,808.98

Finding the Fourth Proportional to 193,137.02, 289,769.25 and 74,808.98

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Solution

The fourth proportional to 193,137.02, 289,769.25 and 74,808.98 is: 112,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137.02 : 289,769.25 = 74,808.98 : x
  2. Step 2: Convert to fraction form
    193,137.02/289,769.25 = 74,808.98/x
  3. Step 3: Cross multiply
    193,137.02x = 289,769.25 × 74,808.98
  4. Step 4: Simplify right side
    193,137.02x = 21,677,342,027.87
  5. Step 5: Solve for x
    x = 21,677,342,027.87/193,137.02
  6. Step 6: Final answer
    x = 112,238.15

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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.