Home / 100,342.45-150,513.37-25,462.45

Finding the Fourth Proportional to 100,342.45, 150,513.37 and 25,462.45

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Solution

The fourth proportional to 100,342.45, 150,513.37 and 25,462.45 is: 38,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,342.45 : 150,513.37 = 25,462.45 : x
  2. Step 2: Convert to fraction form
    100,342.45/150,513.37 = 25,462.45/x
  3. Step 3: Cross multiply
    100,342.45x = 150,513.37 × 25,462.45
  4. Step 4: Simplify right side
    100,342.45x = 3,832,439,157.96
  5. Step 5: Solve for x
    x = 3,832,439,157.96/100,342.45
  6. Step 6: Final answer
    x = 38,193.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.