Home / 217,799.16-326,783.25-84,772.86

Finding the Fourth Proportional to 217,799.16, 326,783.25 and 84,772.86

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Solution

The fourth proportional to 217,799.16, 326,783.25 and 84,772.86 is: 127,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,799.16 : 326,783.25 = 84,772.86 : x
  2. Step 2: Convert to fraction form
    217,799.16/326,783.25 = 84,772.86/x
  3. Step 3: Cross multiply
    217,799.16x = 326,783.25 × 84,772.86
  4. Step 4: Simplify right side
    217,799.16x = 27,702,350,702.60
  5. Step 5: Solve for x
    x = 27,702,350,702.60/217,799.16
  6. Step 6: Final answer
    x = 127,192.18

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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.