Home / 237,814.12-356,776.08-80,038.72

Finding the Fourth Proportional to 237,814.12, 356,776.08 and 80,038.72

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Solution

The fourth proportional to 237,814.12, 356,776.08 and 80,038.72 is: 120,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,814.12 : 356,776.08 = 80,038.72 : x
  2. Step 2: Convert to fraction form
    237,814.12/356,776.08 = 80,038.72/x
  3. Step 3: Cross multiply
    237,814.12x = 356,776.08 × 80,038.72
  4. Step 4: Simplify right side
    237,814.12x = 28,555,900,769.82
  5. Step 5: Solve for x
    x = 28,555,900,769.82/237,814.12
  6. Step 6: Final answer
    x = 120,076.56

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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.