Home / 124,284.64-186,466.32-79,961.44

Finding the Fourth Proportional to 124,284.64, 186,466.32 and 79,961.44

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Solution

The fourth proportional to 124,284.64, 186,466.32 and 79,961.44 is: 119,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,284.64 : 186,466.32 = 79,961.44 : x
  2. Step 2: Convert to fraction form
    124,284.64/186,466.32 = 79,961.44/x
  3. Step 3: Cross multiply
    124,284.64x = 186,466.32 × 79,961.44
  4. Step 4: Simplify right side
    124,284.64x = 14,910,115,458.70
  5. Step 5: Solve for x
    x = 14,910,115,458.70/124,284.64
  6. Step 6: Final answer
    x = 119,967.48

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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.