Home / 102,213.86-153,308.68-27,339.80

Finding the Fourth Proportional to 102,213.86, 153,308.68 and 27,339.80

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Solution

The fourth proportional to 102,213.86, 153,308.68 and 27,339.80 is: 41,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.86 : 153,308.68 = 27,339.80 : x
  2. Step 2: Convert to fraction form
    102,213.86/153,308.68 = 27,339.80/x
  3. Step 3: Cross multiply
    102,213.86x = 153,308.68 × 27,339.80
  4. Step 4: Simplify right side
    102,213.86x = 4,191,428,649.46
  5. Step 5: Solve for x
    x = 4,191,428,649.46/102,213.86
  6. Step 6: Final answer
    x = 41,006.46

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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.