Home / 248,464.68-372,405.42-130,191.72

Finding the Fourth Proportional to 248,464.68, 372,405.42 and 130,191.72

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Solution

The fourth proportional to 248,464.68, 372,405.42 and 130,191.72 is: 195,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,464.68 : 372,405.42 = 130,191.72 : x
  2. Step 2: Convert to fraction form
    248,464.68/372,405.42 = 130,191.72/x
  3. Step 3: Cross multiply
    248,464.68x = 372,405.42 × 130,191.72
  4. Step 4: Simplify right side
    248,464.68x = 48,484,102,167.12
  5. Step 5: Solve for x
    x = 48,484,102,167.12/248,464.68
  6. Step 6: Final answer
    x = 195,134.79

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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.