Home / 170,990.22-256,404.60-99,933.24

Finding the Fourth Proportional to 170,990.22, 256,404.60 and 99,933.24

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Solution

The fourth proportional to 170,990.22, 256,404.60 and 99,933.24 is: 149,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,990.22 : 256,404.60 = 99,933.24 : x
  2. Step 2: Convert to fraction form
    170,990.22/256,404.60 = 99,933.24/x
  3. Step 3: Cross multiply
    170,990.22x = 256,404.60 × 99,933.24
  4. Step 4: Simplify right side
    170,990.22x = 25,623,342,428.90
  5. Step 5: Solve for x
    x = 25,623,342,428.90/170,990.22
  6. Step 6: Final answer
    x = 149,852.68

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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.