Home / 340,570.28-469,915.08-197,321.60

Finding the Fourth Proportional to 340,570.28, 469,915.08 and 197,321.60

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Solution

The fourth proportional to 340,570.28, 469,915.08 and 197,321.60 is: 272,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,570.28 : 469,915.08 = 197,321.60 : x
  2. Step 2: Convert to fraction form
    340,570.28/469,915.08 = 197,321.60/x
  3. Step 3: Cross multiply
    340,570.28x = 469,915.08 × 197,321.60
  4. Step 4: Simplify right side
    340,570.28x = 92,724,395,449.73
  5. Step 5: Solve for x
    x = 92,724,395,449.73/340,570.28
  6. Step 6: Final answer
    x = 272,262.15

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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.