Home / 224,626.14-309,981.69-122,651.28

Finding the Fourth Proportional to 224,626.14, 309,981.69 and 122,651.28

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Solution

The fourth proportional to 224,626.14, 309,981.69 and 122,651.28 is: 169,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,626.14 : 309,981.69 = 122,651.28 : x
  2. Step 2: Convert to fraction form
    224,626.14/309,981.69 = 122,651.28/x
  3. Step 3: Cross multiply
    224,626.14x = 309,981.69 × 122,651.28
  4. Step 4: Simplify right side
    224,626.14x = 38,019,651,055.06
  5. Step 5: Solve for x
    x = 38,019,651,055.06/224,626.14
  6. Step 6: Final answer
    x = 169,257.47

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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.