Home / 336,742.40-505,093.76-126,362.56

Finding the Fourth Proportional to 336,742.40, 505,093.76 and 126,362.56

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Solution

The fourth proportional to 336,742.40, 505,093.76 and 126,362.56 is: 189,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,742.40 : 505,093.76 = 126,362.56 : x
  2. Step 2: Convert to fraction form
    336,742.40/505,093.76 = 126,362.56/x
  3. Step 3: Cross multiply
    336,742.40x = 505,093.76 × 126,362.56
  4. Step 4: Simplify right side
    336,742.40x = 63,824,940,553.63
  5. Step 5: Solve for x
    x = 63,824,940,553.63/336,742.40
  6. Step 6: Final answer
    x = 189,536.40

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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.