Home / 103,510.20-155,170.26-33,353.40

Finding the Fourth Proportional to 103,510.20, 155,170.26 and 33,353.40

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Solution

The fourth proportional to 103,510.20, 155,170.26 and 33,353.40 is: 49,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,510.20 : 155,170.26 = 33,353.40 : x
  2. Step 2: Convert to fraction form
    103,510.20/155,170.26 = 33,353.40/x
  3. Step 3: Cross multiply
    103,510.20x = 155,170.26 × 33,353.40
  4. Step 4: Simplify right side
    103,510.20x = 5,175,455,749.88
  5. Step 5: Solve for x
    x = 5,175,455,749.88/103,510.20
  6. Step 6: Final answer
    x = 49,999.48

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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.