Home / 134,224.40-201,106.20-87,453.20

Finding the Fourth Proportional to 134,224.40, 201,106.20 and 87,453.20

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Solution

The fourth proportional to 134,224.40, 201,106.20 and 87,453.20 is: 131,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,224.40 : 201,106.20 = 87,453.20 : x
  2. Step 2: Convert to fraction form
    134,224.40/201,106.20 = 87,453.20/x
  3. Step 3: Cross multiply
    134,224.40x = 201,106.20 × 87,453.20
  4. Step 4: Simplify right side
    134,224.40x = 17,587,380,729.84
  5. Step 5: Solve for x
    x = 17,587,380,729.84/134,224.40
  6. Step 6: Final answer
    x = 131,029.68

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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.