Home / 211,228.75-316,434.83-117,450.19

Finding the Fourth Proportional to 211,228.75, 316,434.83 and 117,450.19

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Solution

The fourth proportional to 211,228.75, 316,434.83 and 117,450.19 is: 175,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,228.75 : 316,434.83 = 117,450.19 : x
  2. Step 2: Convert to fraction form
    211,228.75/316,434.83 = 117,450.19/x
  3. Step 3: Cross multiply
    211,228.75x = 316,434.83 × 117,450.19
  4. Step 4: Simplify right side
    211,228.75x = 37,165,328,736.69
  5. Step 5: Solve for x
    x = 37,165,328,736.69/211,228.75
  6. Step 6: Final answer
    x = 175,948.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.