Home / 352,034.78-528,096.45-172,126.22

Finding the Fourth Proportional to 352,034.78, 528,096.45 and 172,126.22

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Solution

The fourth proportional to 352,034.78, 528,096.45 and 172,126.22 is: 258,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,034.78 : 528,096.45 = 172,126.22 : x
  2. Step 2: Convert to fraction form
    352,034.78/528,096.45 = 172,126.22/x
  3. Step 3: Cross multiply
    352,034.78x = 528,096.45 × 172,126.22
  4. Step 4: Simplify right side
    352,034.78x = 90,899,245,733.92
  5. Step 5: Solve for x
    x = 90,899,245,733.92/352,034.78
  6. Step 6: Final answer
    x = 258,210.98

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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.