Home / 254,600.55-381,972.33-74,690.23

Finding the Fourth Proportional to 254,600.55, 381,972.33 and 74,690.23

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Solution

The fourth proportional to 254,600.55, 381,972.33 and 74,690.23 is: 112,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,600.55 : 381,972.33 = 74,690.23 : x
  2. Step 2: Convert to fraction form
    254,600.55/381,972.33 = 74,690.23/x
  3. Step 3: Cross multiply
    254,600.55x = 381,972.33 × 74,690.23
  4. Step 4: Simplify right side
    254,600.55x = 28,529,599,763.27
  5. Step 5: Solve for x
    x = 28,529,599,763.27/254,600.55
  6. Step 6: Final answer
    x = 112,056.31

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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.