Home / 236,621.70-354,932.55-143,309.70

Finding the Fourth Proportional to 236,621.70, 354,932.55 and 143,309.70

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Solution

The fourth proportional to 236,621.70, 354,932.55 and 143,309.70 is: 214,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,621.70 : 354,932.55 = 143,309.70 : x
  2. Step 2: Convert to fraction form
    236,621.70/354,932.55 = 143,309.70/x
  3. Step 3: Cross multiply
    236,621.70x = 354,932.55 × 143,309.70
  4. Step 4: Simplify right side
    236,621.70x = 50,865,277,260.74
  5. Step 5: Solve for x
    x = 50,865,277,260.74/236,621.70
  6. Step 6: Final answer
    x = 214,964.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.