Home / 116,028.60-173,697.30-69,257.40

Finding the Fourth Proportional to 116,028.60, 173,697.30 and 69,257.40

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Solution

The fourth proportional to 116,028.60, 173,697.30 and 69,257.40 is: 103,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,028.60 : 173,697.30 = 69,257.40 : x
  2. Step 2: Convert to fraction form
    116,028.60/173,697.30 = 69,257.40/x
  3. Step 3: Cross multiply
    116,028.60x = 173,697.30 × 69,257.40
  4. Step 4: Simplify right side
    116,028.60x = 12,029,823,385.02
  5. Step 5: Solve for x
    x = 12,029,823,385.02/116,028.60
  6. Step 6: Final answer
    x = 103,679.81

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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.