Home / 191,466.03-287,198.91-86,161.98

Finding the Fourth Proportional to 191,466.03, 287,198.91 and 86,161.98

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Solution

The fourth proportional to 191,466.03, 287,198.91 and 86,161.98 is: 129,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,466.03 : 287,198.91 = 86,161.98 : x
  2. Step 2: Convert to fraction form
    191,466.03/287,198.91 = 86,161.98/x
  3. Step 3: Cross multiply
    191,466.03x = 287,198.91 × 86,161.98
  4. Step 4: Simplify right side
    191,466.03x = 24,745,626,739.44
  5. Step 5: Solve for x
    x = 24,745,626,739.44/191,466.03
  6. Step 6: Final answer
    x = 129,242.91

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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.