Home / 185,433.36-278,080.20-67,075.44

Finding the Fourth Proportional to 185,433.36, 278,080.20 and 67,075.44

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Solution

The fourth proportional to 185,433.36, 278,080.20 and 67,075.44 is: 100,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,433.36 : 278,080.20 = 67,075.44 : x
  2. Step 2: Convert to fraction form
    185,433.36/278,080.20 = 67,075.44/x
  3. Step 3: Cross multiply
    185,433.36x = 278,080.20 × 67,075.44
  4. Step 4: Simplify right side
    185,433.36x = 18,652,351,770.29
  5. Step 5: Solve for x
    x = 18,652,351,770.29/185,433.36
  6. Step 6: Final answer
    x = 100,587.90

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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.