Home / 217,772.66-326,743.50-84,746.36

Finding the Fourth Proportional to 217,772.66, 326,743.50 and 84,746.36

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Solution

The fourth proportional to 217,772.66, 326,743.50 and 84,746.36 is: 127,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,772.66 : 326,743.50 = 84,746.36 : x
  2. Step 2: Convert to fraction form
    217,772.66/326,743.50 = 84,746.36/x
  3. Step 3: Cross multiply
    217,772.66x = 326,743.50 × 84,746.36
  4. Step 4: Simplify right side
    217,772.66x = 27,690,322,278.66
  5. Step 5: Solve for x
    x = 27,690,322,278.66/217,772.66
  6. Step 6: Final answer
    x = 127,152.43

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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.