Home / 100,623.04-150,932.99-25,742.54

Finding the Fourth Proportional to 100,623.04, 150,932.99 and 25,742.54

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Solution

The fourth proportional to 100,623.04, 150,932.99 and 25,742.54 is: 38,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,623.04 : 150,932.99 = 25,742.54 : x
  2. Step 2: Convert to fraction form
    100,623.04/150,932.99 = 25,742.54/x
  3. Step 3: Cross multiply
    100,623.04x = 150,932.99 × 25,742.54
  4. Step 4: Simplify right side
    100,623.04x = 3,885,397,649.02
  5. Step 5: Solve for x
    x = 3,885,397,649.02/100,623.04
  6. Step 6: Final answer
    x = 38,613.40

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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.