Home / 217,943.12-326,914.20-58,019.09

Finding the Fourth Proportional to 217,943.12, 326,914.20 and 58,019.09

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Solution

The fourth proportional to 217,943.12, 326,914.20 and 58,019.09 is: 87,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,943.12 : 326,914.20 = 58,019.09 : x
  2. Step 2: Convert to fraction form
    217,943.12/326,914.20 = 58,019.09/x
  3. Step 3: Cross multiply
    217,943.12x = 326,914.20 × 58,019.09
  4. Step 4: Simplify right side
    217,943.12x = 18,967,264,392.08
  5. Step 5: Solve for x
    x = 18,967,264,392.08/217,943.12
  6. Step 6: Final answer
    x = 87,028.51

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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.