Home / 211,896.57-292,494.04-140,299.66

Finding the Fourth Proportional to 211,896.57, 292,494.04 and 140,299.66

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Solution

The fourth proportional to 211,896.57, 292,494.04 and 140,299.66 is: 193,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,896.57 : 292,494.04 = 140,299.66 : x
  2. Step 2: Convert to fraction form
    211,896.57/292,494.04 = 140,299.66/x
  3. Step 3: Cross multiply
    211,896.57x = 292,494.04 × 140,299.66
  4. Step 4: Simplify right side
    211,896.57x = 41,036,814,378.89
  5. Step 5: Solve for x
    x = 41,036,814,378.89/211,896.57
  6. Step 6: Final answer
    x = 193,664.36

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1.5x scale

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.