Home / 316,738.10-475,138.06-92,100.26

Finding the Fourth Proportional to 316,738.10, 475,138.06 and 92,100.26

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Solution

The fourth proportional to 316,738.10, 475,138.06 and 92,100.26 is: 138,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,738.10 : 475,138.06 = 92,100.26 : x
  2. Step 2: Convert to fraction form
    316,738.10/475,138.06 = 92,100.26/x
  3. Step 3: Cross multiply
    316,738.10x = 475,138.06 × 92,100.26
  4. Step 4: Simplify right side
    316,738.10x = 43,760,338,861.90
  5. Step 5: Solve for x
    x = 43,760,338,861.90/316,738.10
  6. Step 6: Final answer
    x = 138,159.38

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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.