Home / 199,208.10-298,320.08-148,485.50

Finding the Fourth Proportional to 199,208.10, 298,320.08 and 148,485.50

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Solution

The fourth proportional to 199,208.10, 298,320.08 and 148,485.50 is: 222,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,208.10 : 298,320.08 = 148,485.50 : x
  2. Step 2: Convert to fraction form
    199,208.10/298,320.08 = 148,485.50/x
  3. Step 3: Cross multiply
    199,208.10x = 298,320.08 × 148,485.50
  4. Step 4: Simplify right side
    199,208.10x = 44,296,204,004.81
  5. Step 5: Solve for x
    x = 44,296,204,004.81/199,208.10
  6. Step 6: Final answer
    x = 222,361.46

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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.