Home / 170,992.22-256,407.60-99,935.24

Finding the Fourth Proportional to 170,992.22, 256,407.60 and 99,935.24

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Solution

The fourth proportional to 170,992.22, 256,407.60 and 99,935.24 is: 149,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,992.22 : 256,407.60 = 99,935.24 : x
  2. Step 2: Convert to fraction form
    170,992.22/256,407.60 = 99,935.24/x
  3. Step 3: Cross multiply
    170,992.22x = 256,407.60 × 99,935.24
  4. Step 4: Simplify right side
    170,992.22x = 25,624,155,043.82
  5. Step 5: Solve for x
    x = 25,624,155,043.82/170,992.22
  6. Step 6: Final answer
    x = 149,855.68

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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.