Home / 100,558.09-150,837.12-25,675.58

Finding the Fourth Proportional to 100,558.09, 150,837.12 and 25,675.58

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Solution

The fourth proportional to 100,558.09, 150,837.12 and 25,675.58 is: 38,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,558.09 : 150,837.12 = 25,675.58 : x
  2. Step 2: Convert to fraction form
    100,558.09/150,837.12 = 25,675.58/x
  3. Step 3: Cross multiply
    100,558.09x = 150,837.12 × 25,675.58
  4. Step 4: Simplify right side
    100,558.09x = 3,872,830,918.62
  5. Step 5: Solve for x
    x = 3,872,830,918.62/100,558.09
  6. Step 6: Final answer
    x = 38,513.37

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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.