Home / 347,731.05-521,596.58-189,873.39

Finding the Fourth Proportional to 347,731.05, 521,596.58 and 189,873.39

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Solution

The fourth proportional to 347,731.05, 521,596.58 and 189,873.39 is: 284,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,731.05 : 521,596.58 = 189,873.39 : x
  2. Step 2: Convert to fraction form
    347,731.05/521,596.58 = 189,873.39/x
  3. Step 3: Cross multiply
    347,731.05x = 521,596.58 × 189,873.39
  4. Step 4: Simplify right side
    347,731.05x = 99,037,307,299.66
  5. Step 5: Solve for x
    x = 99,037,307,299.66/347,731.05
  6. Step 6: Final answer
    x = 284,810.08

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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.