Home / 100,672.03-151,004.55-25,792.80

Finding the Fourth Proportional to 100,672.03, 151,004.55 and 25,792.80

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Solution

The fourth proportional to 100,672.03, 151,004.55 and 25,792.80 is: 38,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,672.03 : 151,004.55 = 25,792.80 : x
  2. Step 2: Convert to fraction form
    100,672.03/151,004.55 = 25,792.80/x
  3. Step 3: Cross multiply
    100,672.03x = 151,004.55 × 25,792.80
  4. Step 4: Simplify right side
    100,672.03x = 3,894,830,157.24
  5. Step 5: Solve for x
    x = 3,894,830,157.24/100,672.03
  6. Step 6: Final answer
    x = 38,688.30

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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.