Home / 102,213.45-153,309.40-27,341.15

Finding the Fourth Proportional to 102,213.45, 153,309.40 and 27,341.15

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Solution

The fourth proportional to 102,213.45, 153,309.40 and 27,341.15 is: 41,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.45 : 153,309.40 = 27,341.15 : x
  2. Step 2: Convert to fraction form
    102,213.45/153,309.40 = 27,341.15/x
  3. Step 3: Cross multiply
    102,213.45x = 153,309.40 × 27,341.15
  4. Step 4: Simplify right side
    102,213.45x = 4,191,655,904.19
  5. Step 5: Solve for x
    x = 4,191,655,904.19/102,213.45
  6. Step 6: Final answer
    x = 41,008.85

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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.