Home / 150,126.96-206,937-118,245.36

Finding the Fourth Proportional to 150,126.96, 206,937 and 118,245.36

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Solution

The fourth proportional to 150,126.96, 206,937 and 118,245.36 is: 162,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,126.96 : 206,937 = 118,245.36 : x
  2. Step 2: Convert to fraction form
    150,126.96/206,937 = 118,245.36/x
  3. Step 3: Cross multiply
    150,126.96x = 206,937 × 118,245.36
  4. Step 4: Simplify right side
    150,126.96x = 24,469,340,062.32
  5. Step 5: Solve for x
    x = 24,469,340,062.32/150,126.96
  6. Step 6: Final answer
    x = 162,990.98

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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.