Home / 194,932.80-292,399.20-121,204.80

Finding the Fourth Proportional to 194,932.80, 292,399.20 and 121,204.80

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Solution

The fourth proportional to 194,932.80, 292,399.20 and 121,204.80 is: 181,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,932.80 : 292,399.20 = 121,204.80 : x
  2. Step 2: Convert to fraction form
    194,932.80/292,399.20 = 121,204.80/x
  3. Step 3: Cross multiply
    194,932.80x = 292,399.20 × 121,204.80
  4. Step 4: Simplify right side
    194,932.80x = 35,440,186,556.16
  5. Step 5: Solve for x
    x = 35,440,186,556.16/194,932.80
  6. Step 6: Final answer
    x = 181,807.20

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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.