Home / 224,233.91-309,445.21-122,258.54

Finding the Fourth Proportional to 224,233.91, 309,445.21 and 122,258.54

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Solution

The fourth proportional to 224,233.91, 309,445.21 and 122,258.54 is: 168,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,233.91 : 309,445.21 = 122,258.54 : x
  2. Step 2: Convert to fraction form
    224,233.91/309,445.21 = 122,258.54/x
  3. Step 3: Cross multiply
    224,233.91x = 309,445.21 × 122,258.54
  4. Step 4: Simplify right side
    224,233.91x = 37,832,319,584.59
  5. Step 5: Solve for x
    x = 37,832,319,584.59/224,233.91
  6. Step 6: Final answer
    x = 168,718.10

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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.