Home / 224,100.31-309,258.49-122,125.79

Finding the Fourth Proportional to 224,100.31, 309,258.49 and 122,125.79

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Solution

The fourth proportional to 224,100.31, 309,258.49 and 122,125.79 is: 168,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,100.31 : 309,258.49 = 122,125.79 : x
  2. Step 2: Convert to fraction form
    224,100.31/309,258.49 = 122,125.79/x
  3. Step 3: Cross multiply
    224,100.31x = 309,258.49 × 122,125.79
  4. Step 4: Simplify right side
    224,100.31x = 37,768,437,873.29
  5. Step 5: Solve for x
    x = 37,768,437,873.29/224,100.31
  6. Step 6: Final answer
    x = 168,533.63

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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.