Home / 106,984.30-160,415.70-40,426.60

Finding the Fourth Proportional to 106,984.30, 160,415.70 and 40,426.60

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Solution

The fourth proportional to 106,984.30, 160,415.70 and 40,426.60 is: 60,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,984.30 : 160,415.70 = 40,426.60 : x
  2. Step 2: Convert to fraction form
    106,984.30/160,415.70 = 40,426.60/x
  3. Step 3: Cross multiply
    106,984.30x = 160,415.70 × 40,426.60
  4. Step 4: Simplify right side
    106,984.30x = 6,485,061,337.62
  5. Step 5: Solve for x
    x = 6,485,061,337.62/106,984.30
  6. Step 6: Final answer
    x = 60,616.94

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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.