Home / 293,823.60-440,735.40-199,345.20

Finding the Fourth Proportional to 293,823.60, 440,735.40 and 199,345.20

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Solution

The fourth proportional to 293,823.60, 440,735.40 and 199,345.20 is: 299,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,823.60 : 440,735.40 = 199,345.20 : x
  2. Step 2: Convert to fraction form
    293,823.60/440,735.40 = 199,345.20/x
  3. Step 3: Cross multiply
    293,823.60x = 440,735.40 × 199,345.20
  4. Step 4: Simplify right side
    293,823.60x = 87,858,486,460.08
  5. Step 5: Solve for x
    x = 87,858,486,460.08/293,823.60
  6. Step 6: Final answer
    x = 299,017.80

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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.