Home / 299,626.35-449,434.93-89,264.28

Finding the Fourth Proportional to 299,626.35, 449,434.93 and 89,264.28

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Solution

The fourth proportional to 299,626.35, 449,434.93 and 89,264.28 is: 133,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,626.35 : 449,434.93 = 89,264.28 : x
  2. Step 2: Convert to fraction form
    299,626.35/449,434.93 = 89,264.28/x
  3. Step 3: Cross multiply
    299,626.35x = 449,434.93 × 89,264.28
  4. Step 4: Simplify right side
    299,626.35x = 40,118,485,433.30
  5. Step 5: Solve for x
    x = 40,118,485,433.30/299,626.35
  6. Step 6: Final answer
    x = 133,895.05

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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.