Home / 211,078.86-291,289.28-114,283.73

Finding the Fourth Proportional to 211,078.86, 291,289.28 and 114,283.73

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Solution

The fourth proportional to 211,078.86, 291,289.28 and 114,283.73 is: 157,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,078.86 : 291,289.28 = 114,283.73 : x
  2. Step 2: Convert to fraction form
    211,078.86/291,289.28 = 114,283.73/x
  3. Step 3: Cross multiply
    211,078.86x = 291,289.28 × 114,283.73
  4. Step 4: Simplify right side
    211,078.86x = 33,289,623,399.55
  5. Step 5: Solve for x
    x = 33,289,623,399.55/211,078.86
  6. Step 6: Final answer
    x = 157,711.78

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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.