Home / 351,290.75-484,780.22-190,145.37

Finding the Fourth Proportional to 351,290.75, 484,780.22 and 190,145.37

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Solution

The fourth proportional to 351,290.75, 484,780.22 and 190,145.37 is: 262,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,290.75 : 484,780.22 = 190,145.37 : x
  2. Step 2: Convert to fraction form
    351,290.75/484,780.22 = 190,145.37/x
  3. Step 3: Cross multiply
    351,290.75x = 484,780.22 × 190,145.37
  4. Step 4: Simplify right side
    351,290.75x = 92,178,715,346.04
  5. Step 5: Solve for x
    x = 92,178,715,346.04/351,290.75
  6. Step 6: Final answer
    x = 262,400.07

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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.