Home / 133,025.40-199,538.10-125,152.20

Finding the Fourth Proportional to 133,025.40, 199,538.10 and 125,152.20

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Solution

The fourth proportional to 133,025.40, 199,538.10 and 125,152.20 is: 187,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.40 : 199,538.10 = 125,152.20 : x
  2. Step 2: Convert to fraction form
    133,025.40/199,538.10 = 125,152.20/x
  3. Step 3: Cross multiply
    133,025.40x = 199,538.10 × 125,152.20
  4. Step 4: Simplify right side
    133,025.40x = 24,972,632,198.82
  5. Step 5: Solve for x
    x = 24,972,632,198.82/133,025.40
  6. Step 6: Final answer
    x = 187,728.30

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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.