Home / 237,816.72-356,777.64-80,040

Finding the Fourth Proportional to 237,816.72, 356,777.64 and 80,040

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Solution

The fourth proportional to 237,816.72, 356,777.64 and 80,040 is: 120,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,816.72 : 356,777.64 = 80,040 : x
  2. Step 2: Convert to fraction form
    237,816.72/356,777.64 = 80,040/x
  3. Step 3: Cross multiply
    237,816.72x = 356,777.64 × 80,040
  4. Step 4: Simplify right side
    237,816.72x = 28,556,482,305.60
  5. Step 5: Solve for x
    x = 28,556,482,305.60/237,816.72
  6. Step 6: Final answer
    x = 120,077.69

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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.