Home / 107,725.67-162,395.21-100,500.37

Finding the Fourth Proportional to 107,725.67, 162,395.21 and 100,500.37

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Solution

The fourth proportional to 107,725.67, 162,395.21 and 100,500.37 is: 151,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.67 : 162,395.21 = 100,500.37 : x
  2. Step 2: Convert to fraction form
    107,725.67/162,395.21 = 100,500.37/x
  3. Step 3: Cross multiply
    107,725.67x = 162,395.21 × 100,500.37
  4. Step 4: Simplify right side
    107,725.67x = 16,320,777,782.74
  5. Step 5: Solve for x
    x = 16,320,777,782.74/107,725.67
  6. Step 6: Final answer
    x = 151,503.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.