Home / 248,302.20-372,453.30-148,769.40

Finding the Fourth Proportional to 248,302.20, 372,453.30 and 148,769.40

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Solution

The fourth proportional to 248,302.20, 372,453.30 and 148,769.40 is: 223,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,302.20 : 372,453.30 = 148,769.40 : x
  2. Step 2: Convert to fraction form
    248,302.20/372,453.30 = 148,769.40/x
  3. Step 3: Cross multiply
    248,302.20x = 372,453.30 × 148,769.40
  4. Step 4: Simplify right side
    248,302.20x = 55,409,653,969.02
  5. Step 5: Solve for x
    x = 55,409,653,969.02/248,302.20
  6. Step 6: Final answer
    x = 223,154.10

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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.