Home / 221,447.22-305,597.19-136,613.58

Finding the Fourth Proportional to 221,447.22, 305,597.19 and 136,613.58

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Solution

The fourth proportional to 221,447.22, 305,597.19 and 136,613.58 is: 188,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,447.22 : 305,597.19 = 136,613.58 : x
  2. Step 2: Convert to fraction form
    221,447.22/305,597.19 = 136,613.58/x
  3. Step 3: Cross multiply
    221,447.22x = 305,597.19 × 136,613.58
  4. Step 4: Simplify right side
    221,447.22x = 41,748,726,163.84
  5. Step 5: Solve for x
    x = 41,748,726,163.84/221,447.22
  6. Step 6: Final answer
    x = 188,526.76

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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.