Home / 293,331.60-440,143.20-115,844.40

Finding the Fourth Proportional to 293,331.60, 440,143.20 and 115,844.40

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Solution

The fourth proportional to 293,331.60, 440,143.20 and 115,844.40 is: 173,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,331.60 : 440,143.20 = 115,844.40 : x
  2. Step 2: Convert to fraction form
    293,331.60/440,143.20 = 115,844.40/x
  3. Step 3: Cross multiply
    293,331.60x = 440,143.20 × 115,844.40
  4. Step 4: Simplify right side
    293,331.60x = 50,988,124,918.08
  5. Step 5: Solve for x
    x = 50,988,124,918.08/293,331.60
  6. Step 6: Final answer
    x = 173,824.18

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1.5x scale

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.