Home / 134,051.20-201,149.70-55,173.40

Finding the Fourth Proportional to 134,051.20, 201,149.70 and 55,173.40

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Solution

The fourth proportional to 134,051.20, 201,149.70 and 55,173.40 is: 82,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,051.20 : 201,149.70 = 55,173.40 : x
  2. Step 2: Convert to fraction form
    134,051.20/201,149.70 = 55,173.40/x
  3. Step 3: Cross multiply
    134,051.20x = 201,149.70 × 55,173.40
  4. Step 4: Simplify right side
    134,051.20x = 11,098,112,857.98
  5. Step 5: Solve for x
    x = 11,098,112,857.98/134,051.20
  6. Step 6: Final answer
    x = 82,790.10

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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.