Home / 144,033.64-198,762.26-80,370.07

Finding the Fourth Proportional to 144,033.64, 198,762.26 and 80,370.07

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Solution

The fourth proportional to 144,033.64, 198,762.26 and 80,370.07 is: 110,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,033.64 : 198,762.26 = 80,370.07 : x
  2. Step 2: Convert to fraction form
    144,033.64/198,762.26 = 80,370.07/x
  3. Step 3: Cross multiply
    144,033.64x = 198,762.26 × 80,370.07
  4. Step 4: Simplify right side
    144,033.64x = 15,974,535,850.80
  5. Step 5: Solve for x
    x = 15,974,535,850.80/144,033.64
  6. Step 6: Final answer
    x = 110,908.37

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1.5x scale

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.