Home / 119,090.08-178,676.32-79,268.80

Finding the Fourth Proportional to 119,090.08, 178,676.32 and 79,268.80

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Solution

The fourth proportional to 119,090.08, 178,676.32 and 79,268.80 is: 118,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,090.08 : 178,676.32 = 79,268.80 : x
  2. Step 2: Convert to fraction form
    119,090.08/178,676.32 = 79,268.80/x
  3. Step 3: Cross multiply
    119,090.08x = 178,676.32 × 79,268.80
  4. Step 4: Simplify right side
    119,090.08x = 14,163,457,474.82
  5. Step 5: Solve for x
    x = 14,163,457,474.82/119,090.08
  6. Step 6: Final answer
    x = 118,930.62

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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.