Home / 100,342.07-150,512.80-25,462.09

Finding the Fourth Proportional to 100,342.07, 150,512.80 and 25,462.09

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Solution

The fourth proportional to 100,342.07, 150,512.80 and 25,462.09 is: 38,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,342.07 : 150,512.80 = 25,462.09 : x
  2. Step 2: Convert to fraction form
    100,342.07/150,512.80 = 25,462.09/x
  3. Step 3: Cross multiply
    100,342.07x = 150,512.80 × 25,462.09
  4. Step 4: Simplify right side
    100,342.07x = 3,832,370,459.75
  5. Step 5: Solve for x
    x = 3,832,370,459.75/100,342.07
  6. Step 6: Final answer
    x = 38,193.06

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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.