Home / 213,160.45-294,161.62-117,667.06

Finding the Fourth Proportional to 213,160.45, 294,161.62 and 117,667.06

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Solution

The fourth proportional to 213,160.45, 294,161.62 and 117,667.06 is: 162,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,160.45 : 294,161.62 = 117,667.06 : x
  2. Step 2: Convert to fraction form
    213,160.45/294,161.62 = 117,667.06/x
  3. Step 3: Cross multiply
    213,160.45x = 294,161.62 × 117,667.06
  4. Step 4: Simplify right side
    213,160.45x = 34,613,132,990.24
  5. Step 5: Solve for x
    x = 34,613,132,990.24/213,160.45
  6. Step 6: Final answer
    x = 162,380.65

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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.