Home / 191,529.14-287,282.77-73,212.44

Finding the Fourth Proportional to 191,529.14, 287,282.77 and 73,212.44

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Solution

The fourth proportional to 191,529.14, 287,282.77 and 73,212.44 is: 109,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,529.14 : 287,282.77 = 73,212.44 : x
  2. Step 2: Convert to fraction form
    191,529.14/287,282.77 = 73,212.44/x
  3. Step 3: Cross multiply
    191,529.14x = 287,282.77 × 73,212.44
  4. Step 4: Simplify right side
    191,529.14x = 21,032,670,942.21
  5. Step 5: Solve for x
    x = 21,032,670,942.21/191,529.14
  6. Step 6: Final answer
    x = 109,814.47

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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.