Home / 352,516.38-528,558.57-139,026.30

Finding the Fourth Proportional to 352,516.38, 528,558.57 and 139,026.30

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Solution

The fourth proportional to 352,516.38, 528,558.57 and 139,026.30 is: 208,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,516.38 : 528,558.57 = 139,026.30 : x
  2. Step 2: Convert to fraction form
    352,516.38/528,558.57 = 139,026.30/x
  3. Step 3: Cross multiply
    352,516.38x = 528,558.57 × 139,026.30
  4. Step 4: Simplify right side
    352,516.38x = 73,483,542,320.39
  5. Step 5: Solve for x
    x = 73,483,542,320.39/352,516.38
  6. Step 6: Final answer
    x = 208,454.26

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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.