Home / 293,823.28-405,441.12-172,937.76

Finding the Fourth Proportional to 293,823.28, 405,441.12 and 172,937.76

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Solution

The fourth proportional to 293,823.28, 405,441.12 and 172,937.76 is: 238,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,823.28 : 405,441.12 = 172,937.76 : x
  2. Step 2: Convert to fraction form
    293,823.28/405,441.12 = 172,937.76/x
  3. Step 3: Cross multiply
    293,823.28x = 405,441.12 × 172,937.76
  4. Step 4: Simplify right side
    293,823.28x = 70,116,079,104.69
  5. Step 5: Solve for x
    x = 70,116,079,104.69/293,823.28
  6. Step 6: Final answer
    x = 238,633.50

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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.