Home / 144,585.74-199,528.30-80,923.54

Finding the Fourth Proportional to 144,585.74, 199,528.30 and 80,923.54

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Solution

The fourth proportional to 144,585.74, 199,528.30 and 80,923.54 is: 111,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585.74 : 199,528.30 = 80,923.54 : x
  2. Step 2: Convert to fraction form
    144,585.74/199,528.30 = 80,923.54/x
  3. Step 3: Cross multiply
    144,585.74x = 199,528.30 × 80,923.54
  4. Step 4: Simplify right side
    144,585.74x = 16,146,534,963.92
  5. Step 5: Solve for x
    x = 16,146,534,963.92/144,585.74
  6. Step 6: Final answer
    x = 111,674.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.