Home / 170,911.36-256,371.18-52,583.68

Finding the Fourth Proportional to 170,911.36, 256,371.18 and 52,583.68

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Solution

The fourth proportional to 170,911.36, 256,371.18 and 52,583.68 is: 78,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,911.36 : 256,371.18 = 52,583.68 : x
  2. Step 2: Convert to fraction form
    170,911.36/256,371.18 = 52,583.68/x
  3. Step 3: Cross multiply
    170,911.36x = 256,371.18 × 52,583.68
  4. Step 4: Simplify right side
    170,911.36x = 13,480,940,090.34
  5. Step 5: Solve for x
    x = 13,480,940,090.34/170,911.36
  6. Step 6: Final answer
    x = 78,876.79

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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.