Home / 293,426.32-440,250.20-103,879.04

Finding the Fourth Proportional to 293,426.32, 440,250.20 and 103,879.04

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Solution

The fourth proportional to 293,426.32, 440,250.20 and 103,879.04 is: 155,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,426.32 : 440,250.20 = 103,879.04 : x
  2. Step 2: Convert to fraction form
    293,426.32/440,250.20 = 103,879.04/x
  3. Step 3: Cross multiply
    293,426.32x = 440,250.20 × 103,879.04
  4. Step 4: Simplify right side
    293,426.32x = 45,732,768,135.81
  5. Step 5: Solve for x
    x = 45,732,768,135.81/293,426.32
  6. Step 6: Final answer
    x = 155,857.76

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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.