Home / 449,144.47-673,678.75-145,532.20

Finding the Fourth Proportional to 449,144.47, 673,678.75 and 145,532.20

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Solution

The fourth proportional to 449,144.47, 673,678.75 and 145,532.20 is: 218,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,144.47 : 673,678.75 = 145,532.20 : x
  2. Step 2: Convert to fraction form
    449,144.47/673,678.75 = 145,532.20/x
  3. Step 3: Cross multiply
    449,144.47x = 673,678.75 × 145,532.20
  4. Step 4: Simplify right side
    449,144.47x = 98,041,946,484.70
  5. Step 5: Solve for x
    x = 98,041,946,484.70/449,144.47
  6. Step 6: Final answer
    x = 218,286.00

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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.