Home / 102,214.83-153,198.18-54,713.19

Finding the Fourth Proportional to 102,214.83, 153,198.18 and 54,713.19

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Solution

The fourth proportional to 102,214.83, 153,198.18 and 54,713.19 is: 82,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,214.83 : 153,198.18 = 54,713.19 : x
  2. Step 2: Convert to fraction form
    102,214.83/153,198.18 = 54,713.19/x
  3. Step 3: Cross multiply
    102,214.83x = 153,198.18 × 54,713.19
  4. Step 4: Simplify right side
    102,214.83x = 8,381,961,129.99
  5. Step 5: Solve for x
    x = 8,381,961,129.99/102,214.83
  6. Step 6: Final answer
    x = 82,003.38

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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.