Home / 217,606.12-326,171.10-93,021.16

Finding the Fourth Proportional to 217,606.12, 326,171.10 and 93,021.16

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Solution

The fourth proportional to 217,606.12, 326,171.10 and 93,021.16 is: 139,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,606.12 : 326,171.10 = 93,021.16 : x
  2. Step 2: Convert to fraction form
    217,606.12/326,171.10 = 93,021.16/x
  3. Step 3: Cross multiply
    217,606.12x = 326,171.10 × 93,021.16
  4. Step 4: Simplify right side
    217,606.12x = 30,340,814,080.48
  5. Step 5: Solve for x
    x = 30,340,814,080.48/217,606.12
  6. Step 6: Final answer
    x = 139,429.97

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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.