Home / 218,260.27-301,240.56-136,626.49

Finding the Fourth Proportional to 218,260.27, 301,240.56 and 136,626.49

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Solution

The fourth proportional to 218,260.27, 301,240.56 and 136,626.49 is: 188,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,260.27 : 301,240.56 = 136,626.49 : x
  2. Step 2: Convert to fraction form
    218,260.27/301,240.56 = 136,626.49/x
  3. Step 3: Cross multiply
    218,260.27x = 301,240.56 × 136,626.49
  4. Step 4: Simplify right side
    218,260.27x = 41,157,440,358.43
  5. Step 5: Solve for x
    x = 41,157,440,358.43/218,260.27
  6. Step 6: Final answer
    x = 188,570.46

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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.