Home / 211,164.96-291,408.48-115,672.32

Finding the Fourth Proportional to 211,164.96, 291,408.48 and 115,672.32

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Solution

The fourth proportional to 211,164.96, 291,408.48 and 115,672.32 is: 159,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,164.96 : 291,408.48 = 115,672.32 : x
  2. Step 2: Convert to fraction form
    211,164.96/291,408.48 = 115,672.32/x
  3. Step 3: Cross multiply
    211,164.96x = 291,408.48 × 115,672.32
  4. Step 4: Simplify right side
    211,164.96x = 33,707,894,949.27
  5. Step 5: Solve for x
    x = 33,707,894,949.27/211,164.96
  6. Step 6: Final answer
    x = 159,628.26

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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.