Home / 144,033.09-198,765.50-83,606.28

Finding the Fourth Proportional to 144,033.09, 198,765.50 and 83,606.28

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Solution

The fourth proportional to 144,033.09, 198,765.50 and 83,606.28 is: 115,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,033.09 : 198,765.50 = 83,606.28 : x
  2. Step 2: Convert to fraction form
    144,033.09/198,765.50 = 83,606.28/x
  3. Step 3: Cross multiply
    144,033.09x = 198,765.50 × 83,606.28
  4. Step 4: Simplify right side
    144,033.09x = 16,618,042,883.94
  5. Step 5: Solve for x
    x = 16,618,042,883.94/144,033.09
  6. Step 6: Final answer
    x = 115,376.57

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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.