Home / 293,824.28-405,442.50-172,938.76

Finding the Fourth Proportional to 293,824.28, 405,442.50 and 172,938.76

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Solution

The fourth proportional to 293,824.28, 405,442.50 and 172,938.76 is: 238,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,824.28 : 405,442.50 = 172,938.76 : x
  2. Step 2: Convert to fraction form
    293,824.28/405,442.50 = 172,938.76/x
  3. Step 3: Cross multiply
    293,824.28x = 405,442.50 × 172,938.76
  4. Step 4: Simplify right side
    293,824.28x = 70,116,723,201.30
  5. Step 5: Solve for x
    x = 70,116,723,201.30/293,824.28
  6. Step 6: Final answer
    x = 238,634.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.