Home / 191,865.68-264,782.86-106,982.76

Finding the Fourth Proportional to 191,865.68, 264,782.86 and 106,982.76

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Solution

The fourth proportional to 191,865.68, 264,782.86 and 106,982.76 is: 147,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,865.68 : 264,782.86 = 106,982.76 : x
  2. Step 2: Convert to fraction form
    191,865.68/264,782.86 = 106,982.76/x
  3. Step 3: Cross multiply
    191,865.68x = 264,782.86 × 106,982.76
  4. Step 4: Simplify right side
    191,865.68x = 28,327,201,163.49
  5. Step 5: Solve for x
    x = 28,327,201,163.49/191,865.68
  6. Step 6: Final answer
    x = 147,640.79

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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.