Home / 213,171.12-294,168.43-117,675.76

Finding the Fourth Proportional to 213,171.12, 294,168.43 and 117,675.76

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Solution

The fourth proportional to 213,171.12, 294,168.43 and 117,675.76 is: 162,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,171.12 : 294,168.43 = 117,675.76 : x
  2. Step 2: Convert to fraction form
    213,171.12/294,168.43 = 117,675.76/x
  3. Step 3: Cross multiply
    213,171.12x = 294,168.43 × 117,675.76
  4. Step 4: Simplify right side
    213,171.12x = 34,616,494,083.06
  5. Step 5: Solve for x
    x = 34,616,494,083.06/213,171.12
  6. Step 6: Final answer
    x = 162,388.29

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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.