Home / 120,296.22-180,433.80-36,075.20

Finding the Fourth Proportional to 120,296.22, 180,433.80 and 36,075.20

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Solution

The fourth proportional to 120,296.22, 180,433.80 and 36,075.20 is: 54,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,296.22 : 180,433.80 = 36,075.20 : x
  2. Step 2: Convert to fraction form
    120,296.22/180,433.80 = 36,075.20/x
  3. Step 3: Cross multiply
    120,296.22x = 180,433.80 × 36,075.20
  4. Step 4: Simplify right side
    120,296.22x = 6,509,184,519.59
  5. Step 5: Solve for x
    x = 6,509,184,519.59/120,296.22
  6. Step 6: Final answer
    x = 54,109.63

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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.