Home / 248,869.20-373,260.60-91,016.40

Finding the Fourth Proportional to 248,869.20, 373,260.60 and 91,016.40

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Solution

The fourth proportional to 248,869.20, 373,260.60 and 91,016.40 is: 136,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,869.20 : 373,260.60 = 91,016.40 : x
  2. Step 2: Convert to fraction form
    248,869.20/373,260.60 = 91,016.40/x
  3. Step 3: Cross multiply
    248,869.20x = 373,260.60 × 91,016.40
  4. Step 4: Simplify right side
    248,869.20x = 33,972,836,073.84
  5. Step 5: Solve for x
    x = 33,972,836,073.84/248,869.20
  6. Step 6: Final answer
    x = 136,508.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.