Home / 100,427.67-150,642.54-25,547.85

Finding the Fourth Proportional to 100,427.67, 150,642.54 and 25,547.85

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Solution

The fourth proportional to 100,427.67, 150,642.54 and 25,547.85 is: 38,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,427.67 : 150,642.54 = 25,547.85 : x
  2. Step 2: Convert to fraction form
    100,427.67/150,642.54 = 25,547.85/x
  3. Step 3: Cross multiply
    100,427.67x = 150,642.54 × 25,547.85
  4. Step 4: Simplify right side
    100,427.67x = 3,848,593,015.54
  5. Step 5: Solve for x
    x = 3,848,593,015.54/100,427.67
  6. Step 6: Final answer
    x = 38,322.04

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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.