Home / 211,277.56-291,570.51-115,784.27

Finding the Fourth Proportional to 211,277.56, 291,570.51 and 115,784.27

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Solution

The fourth proportional to 211,277.56, 291,570.51 and 115,784.27 is: 159,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,277.56 : 291,570.51 = 115,784.27 : x
  2. Step 2: Convert to fraction form
    211,277.56/291,570.51 = 115,784.27/x
  3. Step 3: Cross multiply
    211,277.56x = 291,570.51 × 115,784.27
  4. Step 4: Simplify right side
    211,277.56x = 33,759,278,074.96
  5. Step 5: Solve for x
    x = 33,759,278,074.96/211,277.56
  6. Step 6: Final answer
    x = 159,786.39

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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.