Home / 168,847.40-253,271.10-105,861.80

Finding the Fourth Proportional to 168,847.40, 253,271.10 and 105,861.80

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Solution

The fourth proportional to 168,847.40, 253,271.10 and 105,861.80 is: 158,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,847.40 : 253,271.10 = 105,861.80 : x
  2. Step 2: Convert to fraction form
    168,847.40/253,271.10 = 105,861.80/x
  3. Step 3: Cross multiply
    168,847.40x = 253,271.10 × 105,861.80
  4. Step 4: Simplify right side
    168,847.40x = 26,811,734,533.98
  5. Step 5: Solve for x
    x = 26,811,734,533.98/168,847.40
  6. Step 6: Final answer
    x = 158,792.70

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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.