Home / 293,821.28-405,438.36-172,935.76

Finding the Fourth Proportional to 293,821.28, 405,438.36 and 172,935.76

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Solution

The fourth proportional to 293,821.28, 405,438.36 and 172,935.76 is: 238,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,821.28 : 405,438.36 = 172,935.76 : x
  2. Step 2: Convert to fraction form
    293,821.28/405,438.36 = 172,935.76/x
  3. Step 3: Cross multiply
    293,821.28x = 405,438.36 × 172,935.76
  4. Step 4: Simplify right side
    293,821.28x = 70,114,790,919.75
  5. Step 5: Solve for x
    x = 70,114,790,919.75/293,821.28
  6. Step 6: Final answer
    x = 238,630.74

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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.