Home / 248,465.68-372,406.92-130,192.72

Finding the Fourth Proportional to 248,465.68, 372,406.92 and 130,192.72

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Solution

The fourth proportional to 248,465.68, 372,406.92 and 130,192.72 is: 195,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,465.68 : 372,406.92 = 130,192.72 : x
  2. Step 2: Convert to fraction form
    248,465.68/372,406.92 = 130,192.72/x
  3. Step 3: Cross multiply
    248,465.68x = 372,406.92 × 130,192.72
  4. Step 4: Simplify right side
    248,465.68x = 48,484,669,861.62
  5. Step 5: Solve for x
    x = 48,484,669,861.62/248,465.68
  6. Step 6: Final answer
    x = 195,136.29

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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.