Home / 109,555.19-151,186.17-59,254.19

Finding the Fourth Proportional to 109,555.19, 151,186.17 and 59,254.19

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Solution

The fourth proportional to 109,555.19, 151,186.17 and 59,254.19 is: 81,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555.19 : 151,186.17 = 59,254.19 : x
  2. Step 2: Convert to fraction form
    109,555.19/151,186.17 = 59,254.19/x
  3. Step 3: Cross multiply
    109,555.19x = 151,186.17 × 59,254.19
  4. Step 4: Simplify right side
    109,555.19x = 8,958,414,042.55
  5. Step 5: Solve for x
    x = 8,958,414,042.55/109,555.19
  6. Step 6: Final answer
    x = 81,770.79

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Double scale
Find fourth proportional to 109,556.19, 151,187.55 and 59,255.19
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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.