Home / 120,366.17-180,438.69-41,461.64

Finding the Fourth Proportional to 120,366.17, 180,438.69 and 41,461.64

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Solution

The fourth proportional to 120,366.17, 180,438.69 and 41,461.64 is: 62,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,366.17 : 180,438.69 = 41,461.64 : x
  2. Step 2: Convert to fraction form
    120,366.17/180,438.69 = 41,461.64/x
  3. Step 3: Cross multiply
    120,366.17x = 180,438.69 × 41,461.64
  4. Step 4: Simplify right side
    120,366.17x = 7,481,284,006.85
  5. Step 5: Solve for x
    x = 7,481,284,006.85/120,366.17
  6. Step 6: Final answer
    x = 62,154.37

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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.