Home / 224,100.30-309,258.48-122,125.80

Finding the Fourth Proportional to 224,100.30, 309,258.48 and 122,125.80

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Solution

The fourth proportional to 224,100.30, 309,258.48 and 122,125.80 is: 168,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,100.30 : 309,258.48 = 122,125.80 : x
  2. Step 2: Convert to fraction form
    224,100.30/309,258.48 = 122,125.80/x
  3. Step 3: Cross multiply
    224,100.30x = 309,258.48 × 122,125.80
  4. Step 4: Simplify right side
    224,100.30x = 37,768,439,276.78
  5. Step 5: Solve for x
    x = 37,768,439,276.78/224,100.30
  6. Step 6: Final answer
    x = 168,533.64

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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.