Home / 217,743.19-326,530.80-84,605.92

Finding the Fourth Proportional to 217,743.19, 326,530.80 and 84,605.92

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Solution

The fourth proportional to 217,743.19, 326,530.80 and 84,605.92 is: 126,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,743.19 : 326,530.80 = 84,605.92 : x
  2. Step 2: Convert to fraction form
    217,743.19/326,530.80 = 84,605.92/x
  3. Step 3: Cross multiply
    217,743.19x = 326,530.80 × 84,605.92
  4. Step 4: Simplify right side
    217,743.19x = 27,626,438,742.34
  5. Step 5: Solve for x
    x = 27,626,438,742.34/217,743.19
  6. Step 6: Final answer
    x = 126,876.25

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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.