Home / 120,701.16-180,990.99-41,794.20

Finding the Fourth Proportional to 120,701.16, 180,990.99 and 41,794.20

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Solution

The fourth proportional to 120,701.16, 180,990.99 and 41,794.20 is: 62,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,701.16 : 180,990.99 = 41,794.20 : x
  2. Step 2: Convert to fraction form
    120,701.16/180,990.99 = 41,794.20/x
  3. Step 3: Cross multiply
    120,701.16x = 180,990.99 × 41,794.20
  4. Step 4: Simplify right side
    120,701.16x = 7,564,373,634.26
  5. Step 5: Solve for x
    x = 7,564,373,634.26/120,701.16
  6. Step 6: Final answer
    x = 62,670.26

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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.