Home / 281,308.24-421,961.08-115,096.24

Finding the Fourth Proportional to 281,308.24, 421,961.08 and 115,096.24

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Solution

The fourth proportional to 281,308.24, 421,961.08 and 115,096.24 is: 172,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,308.24 : 421,961.08 = 115,096.24 : x
  2. Step 2: Convert to fraction form
    281,308.24/421,961.08 = 115,096.24/x
  3. Step 3: Cross multiply
    281,308.24x = 421,961.08 × 115,096.24
  4. Step 4: Simplify right side
    281,308.24x = 48,566,133,734.34
  5. Step 5: Solve for x
    x = 48,566,133,734.34/281,308.24
  6. Step 6: Final answer
    x = 172,643.84

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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.