Home / 149,268.80-223,898.40-49,433.60

Finding the Fourth Proportional to 149,268.80, 223,898.40 and 49,433.60

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Solution

The fourth proportional to 149,268.80, 223,898.40 and 49,433.60 is: 74,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,268.80 : 223,898.40 = 49,433.60 : x
  2. Step 2: Convert to fraction form
    149,268.80/223,898.40 = 49,433.60/x
  3. Step 3: Cross multiply
    149,268.80x = 223,898.40 × 49,433.60
  4. Step 4: Simplify right side
    149,268.80x = 11,068,103,946.24
  5. Step 5: Solve for x
    x = 11,068,103,946.24/149,268.80
  6. Step 6: Final answer
    x = 74,148.81

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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.