Home / 291,736.90-437,638.17-91,998.19

Finding the Fourth Proportional to 291,736.90, 437,638.17 and 91,998.19

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Solution

The fourth proportional to 291,736.90, 437,638.17 and 91,998.19 is: 138,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,736.90 : 437,638.17 = 91,998.19 : x
  2. Step 2: Convert to fraction form
    291,736.90/437,638.17 = 91,998.19/x
  3. Step 3: Cross multiply
    291,736.90x = 437,638.17 × 91,998.19
  4. Step 4: Simplify right side
    291,736.90x = 40,261,919,514.91
  5. Step 5: Solve for x
    x = 40,261,919,514.91/291,736.90
  6. Step 6: Final answer
    x = 138,007.63

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1.5x scale

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.