Home / 224,485.86-309,792.33-122,512.14

Finding the Fourth Proportional to 224,485.86, 309,792.33 and 122,512.14

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Solution

The fourth proportional to 224,485.86, 309,792.33 and 122,512.14 is: 169,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,485.86 : 309,792.33 = 122,512.14 : x
  2. Step 2: Convert to fraction form
    224,485.86/309,792.33 = 122,512.14/x
  3. Step 3: Cross multiply
    224,485.86x = 309,792.33 × 122,512.14
  4. Step 4: Simplify right side
    224,485.86x = 37,953,321,303.89
  5. Step 5: Solve for x
    x = 37,953,321,303.89/224,485.86
  6. Step 6: Final answer
    x = 169,067.76

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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.