Home / 148,290.03-204,640.29-81,222.03

Finding the Fourth Proportional to 148,290.03, 204,640.29 and 81,222.03

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Solution

The fourth proportional to 148,290.03, 204,640.29 and 81,222.03 is: 112,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,290.03 : 204,640.29 = 81,222.03 : x
  2. Step 2: Convert to fraction form
    148,290.03/204,640.29 = 81,222.03/x
  3. Step 3: Cross multiply
    148,290.03x = 204,640.29 × 81,222.03
  4. Step 4: Simplify right side
    148,290.03x = 16,621,299,773.59
  5. Step 5: Solve for x
    x = 16,621,299,773.59/148,290.03
  6. Step 6: Final answer
    x = 112,086.43

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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.