Home / 347,731.68-521,597.50-189,874

Finding the Fourth Proportional to 347,731.68, 521,597.50 and 189,874

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Solution

The fourth proportional to 347,731.68, 521,597.50 and 189,874 is: 284,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,731.68 : 521,597.50 = 189,874 : x
  2. Step 2: Convert to fraction form
    347,731.68/521,597.50 = 189,874/x
  3. Step 3: Cross multiply
    347,731.68x = 521,597.50 × 189,874
  4. Step 4: Simplify right side
    347,731.68x = 99,037,803,715
  5. Step 5: Solve for x
    x = 99,037,803,715/347,731.68
  6. Step 6: Final answer
    x = 284,810.99

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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.