Home / 217,200.05-299,735.66-132,317.11

Finding the Fourth Proportional to 217,200.05, 299,735.66 and 132,317.11

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Solution

The fourth proportional to 217,200.05, 299,735.66 and 132,317.11 is: 182,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,200.05 : 299,735.66 = 132,317.11 : x
  2. Step 2: Convert to fraction form
    217,200.05/299,735.66 = 132,317.11/x
  3. Step 3: Cross multiply
    217,200.05x = 299,735.66 × 132,317.11
  4. Step 4: Simplify right side
    217,200.05x = 39,660,155,876.60
  5. Step 5: Solve for x
    x = 39,660,155,876.60/217,200.05
  6. Step 6: Final answer
    x = 182,597.36

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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.