Home / 211,447.86-291,804.81-115,954.33

Finding the Fourth Proportional to 211,447.86, 291,804.81 and 115,954.33

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Solution

The fourth proportional to 211,447.86, 291,804.81 and 115,954.33 is: 160,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,447.86 : 291,804.81 = 115,954.33 : x
  2. Step 2: Convert to fraction form
    211,447.86/291,804.81 = 115,954.33/x
  3. Step 3: Cross multiply
    211,447.86x = 291,804.81 × 115,954.33
  4. Step 4: Simplify right side
    211,447.86x = 33,836,031,234.33
  5. Step 5: Solve for x
    x = 33,836,031,234.33/211,447.86
  6. Step 6: Final answer
    x = 160,020.68

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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.