Home / 230,540.94-318,173.67-128,582.46

Finding the Fourth Proportional to 230,540.94, 318,173.67 and 128,582.46

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Solution

The fourth proportional to 230,540.94, 318,173.67 and 128,582.46 is: 177,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,540.94 : 318,173.67 = 128,582.46 : x
  2. Step 2: Convert to fraction form
    230,540.94/318,173.67 = 128,582.46/x
  3. Step 3: Cross multiply
    230,540.94x = 318,173.67 × 128,582.46
  4. Step 4: Simplify right side
    230,540.94x = 40,911,553,195.83
  5. Step 5: Solve for x
    x = 40,911,553,195.83/230,540.94
  6. Step 6: Final answer
    x = 177,458.95

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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.