Home / 644,217.60-966,325.36-164,445.36

Finding the Fourth Proportional to 644,217.60, 966,325.36 and 164,445.36

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Solution

The fourth proportional to 644,217.60, 966,325.36 and 164,445.36 is: 246,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,217.60 : 966,325.36 = 164,445.36 : x
  2. Step 2: Convert to fraction form
    644,217.60/966,325.36 = 164,445.36/x
  3. Step 3: Cross multiply
    644,217.60x = 966,325.36 × 164,445.36
  4. Step 4: Simplify right side
    644,217.60x = 158,907,721,702.33
  5. Step 5: Solve for x
    x = 158,907,721,702.33/644,217.60
  6. Step 6: Final answer
    x = 246,667.77

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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.