Home / 211,340.93-291,662.46-125,350.83

Finding the Fourth Proportional to 211,340.93, 291,662.46 and 125,350.83

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Solution

The fourth proportional to 211,340.93, 291,662.46 and 125,350.83 is: 172,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,340.93 : 291,662.46 = 125,350.83 : x
  2. Step 2: Convert to fraction form
    211,340.93/291,662.46 = 125,350.83/x
  3. Step 3: Cross multiply
    211,340.93x = 291,662.46 × 125,350.83
  4. Step 4: Simplify right side
    211,340.93x = 36,560,131,440.84
  5. Step 5: Solve for x
    x = 36,560,131,440.84/211,340.93
  6. Step 6: Final answer
    x = 172,991.25

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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.