Home / 248,456.20-372,684.30-148,923.40

Finding the Fourth Proportional to 248,456.20, 372,684.30 and 148,923.40

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Solution

The fourth proportional to 248,456.20, 372,684.30 and 148,923.40 is: 223,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,456.20 : 372,684.30 = 148,923.40 : x
  2. Step 2: Convert to fraction form
    248,456.20/372,684.30 = 148,923.40/x
  3. Step 3: Cross multiply
    248,456.20x = 372,684.30 × 148,923.40
  4. Step 4: Simplify right side
    248,456.20x = 55,501,413,082.62
  5. Step 5: Solve for x
    x = 55,501,413,082.62/248,456.20
  6. Step 6: Final answer
    x = 223,385.10

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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.