Home / 381,268.14-526,150.52-211,502.26

Finding the Fourth Proportional to 381,268.14, 526,150.52 and 211,502.26

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Solution

The fourth proportional to 381,268.14, 526,150.52 and 211,502.26 is: 291,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,268.14 : 526,150.52 = 211,502.26 : x
  2. Step 2: Convert to fraction form
    381,268.14/526,150.52 = 211,502.26/x
  3. Step 3: Cross multiply
    381,268.14x = 526,150.52 × 211,502.26
  4. Step 4: Simplify right side
    381,268.14x = 111,282,024,080.18
  5. Step 5: Solve for x
    x = 111,282,024,080.18/381,268.14
  6. Step 6: Final answer
    x = 291,873.39

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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.