Home / 134,415.80-201,537.30-55,561.40

Finding the Fourth Proportional to 134,415.80, 201,537.30 and 55,561.40

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Solution

The fourth proportional to 134,415.80, 201,537.30 and 55,561.40 is: 83,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,415.80 : 201,537.30 = 55,561.40 : x
  2. Step 2: Convert to fraction form
    134,415.80/201,537.30 = 55,561.40/x
  3. Step 3: Cross multiply
    134,415.80x = 201,537.30 × 55,561.40
  4. Step 4: Simplify right side
    134,415.80x = 11,197,694,540.22
  5. Step 5: Solve for x
    x = 11,197,694,540.22/134,415.80
  6. Step 6: Final answer
    x = 83,306.39

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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.