Home / 213,161.67-294,159.51-117,665.91

Finding the Fourth Proportional to 213,161.67, 294,159.51 and 117,665.91

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Solution

The fourth proportional to 213,161.67, 294,159.51 and 117,665.91 is: 162,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,161.67 : 294,159.51 = 117,665.91 : x
  2. Step 2: Convert to fraction form
    213,161.67/294,159.51 = 117,665.91/x
  3. Step 3: Cross multiply
    213,161.67x = 294,159.51 × 117,665.91
  4. Step 4: Simplify right side
    213,161.67x = 34,612,546,429.30
  5. Step 5: Solve for x
    x = 34,612,546,429.30/213,161.67
  6. Step 6: Final answer
    x = 162,376.97

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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.