Home / 395,149.20-545,271.39-233,975.40

Finding the Fourth Proportional to 395,149.20, 545,271.39 and 233,975.40

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Solution

The fourth proportional to 395,149.20, 545,271.39 and 233,975.40 is: 322,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,149.20 : 545,271.39 = 233,975.40 : x
  2. Step 2: Convert to fraction form
    395,149.20/545,271.39 = 233,975.40/x
  3. Step 3: Cross multiply
    395,149.20x = 545,271.39 × 233,975.40
  4. Step 4: Simplify right side
    395,149.20x = 127,580,091,583.81
  5. Step 5: Solve for x
    x = 127,580,091,583.81/395,149.20
  6. Step 6: Final answer
    x = 322,865.62

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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.