Home / 224,112.11-309,282.56-122,146.07

Finding the Fourth Proportional to 224,112.11, 309,282.56 and 122,146.07

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Solution

The fourth proportional to 224,112.11, 309,282.56 and 122,146.07 is: 168,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,112.11 : 309,282.56 = 122,146.07 : x
  2. Step 2: Convert to fraction form
    224,112.11/309,282.56 = 122,146.07/x
  3. Step 3: Cross multiply
    224,112.11x = 309,282.56 × 122,146.07
  4. Step 4: Simplify right side
    224,112.11x = 37,777,647,066.40
  5. Step 5: Solve for x
    x = 37,777,647,066.40/224,112.11
  6. Step 6: Final answer
    x = 168,565.85

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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.