Home / 362,512.06-543,656.81-172,872.43

Finding the Fourth Proportional to 362,512.06, 543,656.81 and 172,872.43

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Solution

The fourth proportional to 362,512.06, 543,656.81 and 172,872.43 is: 259,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,512.06 : 543,656.81 = 172,872.43 : x
  2. Step 2: Convert to fraction form
    362,512.06/543,656.81 = 172,872.43/x
  3. Step 3: Cross multiply
    362,512.06x = 543,656.81 × 172,872.43
  4. Step 4: Simplify right side
    362,512.06x = 93,983,272,903.79
  5. Step 5: Solve for x
    x = 93,983,272,903.79/362,512.06
  6. Step 6: Final answer
    x = 259,255.58

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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.