Home / 211,525.32-291,863.25-125,468.09

Finding the Fourth Proportional to 211,525.32, 291,863.25 and 125,468.09

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Solution

The fourth proportional to 211,525.32, 291,863.25 and 125,468.09 is: 173,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525.32 : 291,863.25 = 125,468.09 : x
  2. Step 2: Convert to fraction form
    211,525.32/291,863.25 = 125,468.09/x
  3. Step 3: Cross multiply
    211,525.32x = 291,863.25 × 125,468.09
  4. Step 4: Simplify right side
    211,525.32x = 36,619,523,059.38
  5. Step 5: Solve for x
    x = 36,619,523,059.38/211,525.32
  6. Step 6: Final answer
    x = 173,121.23

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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.