Home / 191,576.81-287,382.53-73,249.18

Finding the Fourth Proportional to 191,576.81, 287,382.53 and 73,249.18

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Solution

The fourth proportional to 191,576.81, 287,382.53 and 73,249.18 is: 109,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,576.81 : 287,382.53 = 73,249.18 : x
  2. Step 2: Convert to fraction form
    191,576.81/287,382.53 = 73,249.18/x
  3. Step 3: Cross multiply
    191,576.81x = 287,382.53 × 73,249.18
  4. Step 4: Simplify right side
    191,576.81x = 21,050,534,668.83
  5. Step 5: Solve for x
    x = 21,050,534,668.83/191,576.81
  6. Step 6: Final answer
    x = 109,880.39

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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.