Home / 189,770.86-261,897.37-104,886.10

Finding the Fourth Proportional to 189,770.86, 261,897.37 and 104,886.10

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Solution

The fourth proportional to 189,770.86, 261,897.37 and 104,886.10 is: 144,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,770.86 : 261,897.37 = 104,886.10 : x
  2. Step 2: Convert to fraction form
    189,770.86/261,897.37 = 104,886.10/x
  3. Step 3: Cross multiply
    189,770.86x = 261,897.37 × 104,886.10
  4. Step 4: Simplify right side
    189,770.86x = 27,469,393,739.56
  5. Step 5: Solve for x
    x = 27,469,393,739.56/189,770.86
  6. Step 6: Final answer
    x = 144,750.33

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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.