Home / 211,036.88-291,238.25-115,544.36

Finding the Fourth Proportional to 211,036.88, 291,238.25 and 115,544.36

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Solution

The fourth proportional to 211,036.88, 291,238.25 and 115,544.36 is: 159,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,036.88 : 291,238.25 = 115,544.36 : x
  2. Step 2: Convert to fraction form
    211,036.88/291,238.25 = 115,544.36/x
  3. Step 3: Cross multiply
    211,036.88x = 291,238.25 × 115,544.36
  4. Step 4: Simplify right side
    211,036.88x = 33,650,935,169.86
  5. Step 5: Solve for x
    x = 33,650,935,169.86/211,036.88
  6. Step 6: Final answer
    x = 159,455.24

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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.