Home / 217,881.16-326,840.57-60,109.61

Finding the Fourth Proportional to 217,881.16, 326,840.57 and 60,109.61

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Solution

The fourth proportional to 217,881.16, 326,840.57 and 60,109.61 is: 90,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,881.16 : 326,840.57 = 60,109.61 : x
  2. Step 2: Convert to fraction form
    217,881.16/326,840.57 = 60,109.61/x
  3. Step 3: Cross multiply
    217,881.16x = 326,840.57 × 60,109.61
  4. Step 4: Simplify right side
    217,881.16x = 19,646,259,324.02
  5. Step 5: Solve for x
    x = 19,646,259,324.02/217,881.16
  6. Step 6: Final answer
    x = 90,169.61

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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.