Home / 361,985.15-543,055.74-109,244.49

Finding the Fourth Proportional to 361,985.15, 543,055.74 and 109,244.49

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Solution

The fourth proportional to 361,985.15, 543,055.74 and 109,244.49 is: 163,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,985.15 : 543,055.74 = 109,244.49 : x
  2. Step 2: Convert to fraction form
    361,985.15/543,055.74 = 109,244.49/x
  3. Step 3: Cross multiply
    361,985.15x = 543,055.74 × 109,244.49
  4. Step 4: Simplify right side
    361,985.15x = 59,325,847,357.87
  5. Step 5: Solve for x
    x = 59,325,847,357.87/361,985.15
  6. Step 6: Final answer
    x = 163,890.28

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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.