Home / 191,198.21-286,538.94-72,804.96

Finding the Fourth Proportional to 191,198.21, 286,538.94 and 72,804.96

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Solution

The fourth proportional to 191,198.21, 286,538.94 and 72,804.96 is: 109,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,198.21 : 286,538.94 = 72,804.96 : x
  2. Step 2: Convert to fraction form
    191,198.21/286,538.94 = 72,804.96/x
  3. Step 3: Cross multiply
    191,198.21x = 286,538.94 × 72,804.96
  4. Step 4: Simplify right side
    191,198.21x = 20,861,456,065.14
  5. Step 5: Solve for x
    x = 20,861,456,065.14/191,198.21
  6. Step 6: Final answer
    x = 109,109.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.