Home / 144,280.60-199,110.66-79,749.88

Finding the Fourth Proportional to 144,280.60, 199,110.66 and 79,749.88

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Solution

The fourth proportional to 144,280.60, 199,110.66 and 79,749.88 is: 110,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,280.60 : 199,110.66 = 79,749.88 : x
  2. Step 2: Convert to fraction form
    144,280.60/199,110.66 = 79,749.88/x
  3. Step 3: Cross multiply
    144,280.60x = 199,110.66 × 79,749.88
  4. Step 4: Simplify right side
    144,280.60x = 15,879,051,241.72
  5. Step 5: Solve for x
    x = 15,879,051,241.72/144,280.60
  6. Step 6: Final answer
    x = 110,056.73

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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.