Home / 395,150.20-545,272.77-233,976.40

Finding the Fourth Proportional to 395,150.20, 545,272.77 and 233,976.40

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Solution

The fourth proportional to 395,150.20, 545,272.77 and 233,976.40 is: 322,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,150.20 : 545,272.77 = 233,976.40 : x
  2. Step 2: Convert to fraction form
    395,150.20/545,272.77 = 233,976.40/x
  3. Step 3: Cross multiply
    395,150.20x = 545,272.77 × 233,976.40
  4. Step 4: Simplify right side
    395,150.20x = 127,580,959,742.63
  5. Step 5: Solve for x
    x = 127,580,959,742.63/395,150.20
  6. Step 6: Final answer
    x = 322,867.00

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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.