Home / 224,486.14-309,792.66-122,512.42

Finding the Fourth Proportional to 224,486.14, 309,792.66 and 122,512.42

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Solution

The fourth proportional to 224,486.14, 309,792.66 and 122,512.42 is: 169,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,486.14 : 309,792.66 = 122,512.42 : x
  2. Step 2: Convert to fraction form
    224,486.14/309,792.66 = 122,512.42/x
  3. Step 3: Cross multiply
    224,486.14x = 309,792.66 × 122,512.42
  4. Step 4: Simplify right side
    224,486.14x = 37,953,448,474.84
  5. Step 5: Solve for x
    x = 37,953,448,474.84/224,486.14
  6. Step 6: Final answer
    x = 169,068.11

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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.