Home / 293,638.23-405,279.05-191,680.29

Finding the Fourth Proportional to 293,638.23, 405,279.05 and 191,680.29

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Solution

The fourth proportional to 293,638.23, 405,279.05 and 191,680.29 is: 264,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,638.23 : 405,279.05 = 191,680.29 : x
  2. Step 2: Convert to fraction form
    293,638.23/405,279.05 = 191,680.29/x
  3. Step 3: Cross multiply
    293,638.23x = 405,279.05 × 191,680.29
  4. Step 4: Simplify right side
    293,638.23x = 77,684,004,876.52
  5. Step 5: Solve for x
    x = 77,684,004,876.52/293,638.23
  6. Step 6: Final answer
    x = 264,556.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.