Home / 154,144.50-231,216.75-43,336.50

Finding the Fourth Proportional to 154,144.50, 231,216.75 and 43,336.50

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Solution

The fourth proportional to 154,144.50, 231,216.75 and 43,336.50 is: 65,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,144.50 : 231,216.75 = 43,336.50 : x
  2. Step 2: Convert to fraction form
    154,144.50/231,216.75 = 43,336.50/x
  3. Step 3: Cross multiply
    154,144.50x = 231,216.75 × 43,336.50
  4. Step 4: Simplify right side
    154,144.50x = 10,020,124,686.38
  5. Step 5: Solve for x
    x = 10,020,124,686.38/154,144.50
  6. Step 6: Final answer
    x = 65,004.75

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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.