Home / 147,092.16-220,638.32-62,781.44

Finding the Fourth Proportional to 147,092.16, 220,638.32 and 62,781.44

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Solution

The fourth proportional to 147,092.16, 220,638.32 and 62,781.44 is: 94,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092.16 : 220,638.32 = 62,781.44 : x
  2. Step 2: Convert to fraction form
    147,092.16/220,638.32 = 62,781.44/x
  3. Step 3: Cross multiply
    147,092.16x = 220,638.32 × 62,781.44
  4. Step 4: Simplify right side
    147,092.16x = 13,851,991,448.78
  5. Step 5: Solve for x
    x = 13,851,991,448.78/147,092.16
  6. Step 6: Final answer
    x = 94,172.19

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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.