Home / 191,596.14-264,408.21-105,560.64

Finding the Fourth Proportional to 191,596.14, 264,408.21 and 105,560.64

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Solution

The fourth proportional to 191,596.14, 264,408.21 and 105,560.64 is: 145,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,596.14 : 264,408.21 = 105,560.64 : x
  2. Step 2: Convert to fraction form
    191,596.14/264,408.21 = 105,560.64/x
  3. Step 3: Cross multiply
    191,596.14x = 264,408.21 × 105,560.64
  4. Step 4: Simplify right side
    191,596.14x = 27,911,099,868.85
  5. Step 5: Solve for x
    x = 27,911,099,868.85/191,596.14
  6. Step 6: Final answer
    x = 145,676.73

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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.