Home / 262,523.20-393,784.80-96,289.60

Finding the Fourth Proportional to 262,523.20, 393,784.80 and 96,289.60

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Solution

The fourth proportional to 262,523.20, 393,784.80 and 96,289.60 is: 144,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,523.20 : 393,784.80 = 96,289.60 : x
  2. Step 2: Convert to fraction form
    262,523.20/393,784.80 = 96,289.60/x
  3. Step 3: Cross multiply
    262,523.20x = 393,784.80 × 96,289.60
  4. Step 4: Simplify right side
    262,523.20x = 37,917,380,878.08
  5. Step 5: Solve for x
    x = 37,917,380,878.08/262,523.20
  6. Step 6: Final answer
    x = 144,434.40

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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.