Home / 194,921.80-292,382.70-193,078.60

Finding the Fourth Proportional to 194,921.80, 292,382.70 and 193,078.60

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Solution

The fourth proportional to 194,921.80, 292,382.70 and 193,078.60 is: 289,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,921.80 : 292,382.70 = 193,078.60 : x
  2. Step 2: Convert to fraction form
    194,921.80/292,382.70 = 193,078.60/x
  3. Step 3: Cross multiply
    194,921.80x = 292,382.70 × 193,078.60
  4. Step 4: Simplify right side
    194,921.80x = 56,452,842,380.22
  5. Step 5: Solve for x
    x = 56,452,842,380.22/194,921.80
  6. Step 6: Final answer
    x = 289,617.90

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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.