Home / 211,078.19-291,277.03-115,566.41

Finding the Fourth Proportional to 211,078.19, 291,277.03 and 115,566.41

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Solution

The fourth proportional to 211,078.19, 291,277.03 and 115,566.41 is: 159,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,078.19 : 291,277.03 = 115,566.41 : x
  2. Step 2: Convert to fraction form
    211,078.19/291,277.03 = 115,566.41/x
  3. Step 3: Cross multiply
    211,078.19x = 291,277.03 × 115,566.41
  4. Step 4: Simplify right side
    211,078.19x = 33,661,840,672.56
  5. Step 5: Solve for x
    x = 33,661,840,672.56/211,078.19
  6. Step 6: Final answer
    x = 159,475.69

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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.