Home / 448,981.20-673,565.40-149,554.80

Finding the Fourth Proportional to 448,981.20, 673,565.40 and 149,554.80

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Solution

The fourth proportional to 448,981.20, 673,565.40 and 149,554.80 is: 224,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,981.20 : 673,565.40 = 149,554.80 : x
  2. Step 2: Convert to fraction form
    448,981.20/673,565.40 = 149,554.80/x
  3. Step 3: Cross multiply
    448,981.20x = 673,565.40 × 149,554.80
  4. Step 4: Simplify right side
    448,981.20x = 100,734,938,683.92
  5. Step 5: Solve for x
    x = 100,734,938,683.92/448,981.20
  6. Step 6: Final answer
    x = 224,363.38

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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.