Home / 351,346.10-484,857.78-190,201.15

Finding the Fourth Proportional to 351,346.10, 484,857.78 and 190,201.15

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Solution

The fourth proportional to 351,346.10, 484,857.78 and 190,201.15 is: 262,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,346.10 : 484,857.78 = 190,201.15 : x
  2. Step 2: Convert to fraction form
    351,346.10/484,857.78 = 190,201.15/x
  3. Step 3: Cross multiply
    351,346.10x = 484,857.78 × 190,201.15
  4. Step 4: Simplify right side
    351,346.10x = 92,220,504,507.94
  5. Step 5: Solve for x
    x = 92,220,504,507.94/351,346.10
  6. Step 6: Final answer
    x = 262,477.67

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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.