Home / 253,342.12-349,613.22-140,168.68

Finding the Fourth Proportional to 253,342.12, 349,613.22 and 140,168.68

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Solution

The fourth proportional to 253,342.12, 349,613.22 and 140,168.68 is: 193,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,342.12 : 349,613.22 = 140,168.68 : x
  2. Step 2: Convert to fraction form
    253,342.12/349,613.22 = 140,168.68/x
  3. Step 3: Cross multiply
    253,342.12x = 349,613.22 × 140,168.68
  4. Step 4: Simplify right side
    253,342.12x = 49,004,823,557.95
  5. Step 5: Solve for x
    x = 49,004,823,557.95/253,342.12
  6. Step 6: Final answer
    x = 193,433.38

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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.