Home / 282,135.35-423,203.03-141,795.56

Finding the Fourth Proportional to 282,135.35, 423,203.03 and 141,795.56

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Solution

The fourth proportional to 282,135.35, 423,203.03 and 141,795.56 is: 212,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,135.35 : 423,203.03 = 141,795.56 : x
  2. Step 2: Convert to fraction form
    282,135.35/423,203.03 = 141,795.56/x
  3. Step 3: Cross multiply
    282,135.35x = 423,203.03 × 141,795.56
  4. Step 4: Simplify right side
    282,135.35x = 60,008,311,513.31
  5. Step 5: Solve for x
    x = 60,008,311,513.31/282,135.35
  6. Step 6: Final answer
    x = 212,693.34

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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.