Home / 281,153.24-421,730.30-114,941.24

Finding the Fourth Proportional to 281,153.24, 421,730.30 and 114,941.24

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Solution

The fourth proportional to 281,153.24, 421,730.30 and 114,941.24 is: 172,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,153.24 : 421,730.30 = 114,941.24 : x
  2. Step 2: Convert to fraction form
    281,153.24/421,730.30 = 114,941.24/x
  3. Step 3: Cross multiply
    281,153.24x = 421,730.30 × 114,941.24
  4. Step 4: Simplify right side
    281,153.24x = 48,474,203,627.57
  5. Step 5: Solve for x
    x = 48,474,203,627.57/281,153.24
  6. Step 6: Final answer
    x = 172,412.04

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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.