Home / 199,711.96-275,604.72-109,070.60

Finding the Fourth Proportional to 199,711.96, 275,604.72 and 109,070.60

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Solution

The fourth proportional to 199,711.96, 275,604.72 and 109,070.60 is: 150,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,711.96 : 275,604.72 = 109,070.60 : x
  2. Step 2: Convert to fraction form
    199,711.96/275,604.72 = 109,070.60/x
  3. Step 3: Cross multiply
    199,711.96x = 275,604.72 × 109,070.60
  4. Step 4: Simplify right side
    199,711.96x = 30,060,372,173.23
  5. Step 5: Solve for x
    x = 30,060,372,173.23/199,711.96
  6. Step 6: Final answer
    x = 150,518.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.