Home / 211,441.74-291,789.42-114,648.79

Finding the Fourth Proportional to 211,441.74, 291,789.42 and 114,648.79

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Solution

The fourth proportional to 211,441.74, 291,789.42 and 114,648.79 is: 158,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,441.74 : 291,789.42 = 114,648.79 : x
  2. Step 2: Convert to fraction form
    211,441.74/291,789.42 = 114,648.79/x
  3. Step 3: Cross multiply
    211,441.74x = 291,789.42 × 114,648.79
  4. Step 4: Simplify right side
    211,441.74x = 33,453,303,937.80
  5. Step 5: Solve for x
    x = 33,453,303,937.80/211,441.74
  6. Step 6: Final answer
    x = 158,215.23

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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.