Home / 170,220.72-234,933.04-98,644.26

Finding the Fourth Proportional to 170,220.72, 234,933.04 and 98,644.26

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Solution

The fourth proportional to 170,220.72, 234,933.04 and 98,644.26 is: 136,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,220.72 : 234,933.04 = 98,644.26 : x
  2. Step 2: Convert to fraction form
    170,220.72/234,933.04 = 98,644.26/x
  3. Step 3: Cross multiply
    170,220.72x = 234,933.04 × 98,644.26
  4. Step 4: Simplify right side
    170,220.72x = 23,174,795,880.35
  5. Step 5: Solve for x
    x = 23,174,795,880.35/170,220.72
  6. Step 6: Final answer
    x = 136,145.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.