Home / 191,216.40-263,944.08-115,764.84

Finding the Fourth Proportional to 191,216.40, 263,944.08 and 115,764.84

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Solution

The fourth proportional to 191,216.40, 263,944.08 and 115,764.84 is: 159,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,216.40 : 263,944.08 = 115,764.84 : x
  2. Step 2: Convert to fraction form
    191,216.40/263,944.08 = 115,764.84/x
  3. Step 3: Cross multiply
    191,216.40x = 263,944.08 × 115,764.84
  4. Step 4: Simplify right side
    191,216.40x = 30,555,444,190.15
  5. Step 5: Solve for x
    x = 30,555,444,190.15/191,216.40
  6. Step 6: Final answer
    x = 159,795.10

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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.