Home / 232,128.86-320,219.94-151,603.52

Finding the Fourth Proportional to 232,128.86, 320,219.94 and 151,603.52

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Solution

The fourth proportional to 232,128.86, 320,219.94 and 151,603.52 is: 209,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,128.86 : 320,219.94 = 151,603.52 : x
  2. Step 2: Convert to fraction form
    232,128.86/320,219.94 = 151,603.52/x
  3. Step 3: Cross multiply
    232,128.86x = 320,219.94 × 151,603.52
  4. Step 4: Simplify right side
    232,128.86x = 48,546,470,078.19
  5. Step 5: Solve for x
    x = 48,546,470,078.19/232,128.86
  6. Step 6: Final answer
    x = 209,135.87

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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.