Home / 213,173.96-294,178.62-117,680.62

Finding the Fourth Proportional to 213,173.96, 294,178.62 and 117,680.62

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Solution

The fourth proportional to 213,173.96, 294,178.62 and 117,680.62 is: 162,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,173.96 : 294,178.62 = 117,680.62 : x
  2. Step 2: Convert to fraction form
    213,173.96/294,178.62 = 117,680.62/x
  3. Step 3: Cross multiply
    213,173.96x = 294,178.62 × 117,680.62
  4. Step 4: Simplify right side
    213,173.96x = 34,619,122,392.34
  5. Step 5: Solve for x
    x = 34,619,122,392.34/213,173.96
  6. Step 6: Final answer
    x = 162,398.46

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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.