Home / 145,954.92-201,418.06-82,292.56

Finding the Fourth Proportional to 145,954.92, 201,418.06 and 82,292.56

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Solution

The fourth proportional to 145,954.92, 201,418.06 and 82,292.56 is: 113,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,954.92 : 201,418.06 = 82,292.56 : x
  2. Step 2: Convert to fraction form
    145,954.92/201,418.06 = 82,292.56/x
  3. Step 3: Cross multiply
    145,954.92x = 201,418.06 × 82,292.56
  4. Step 4: Simplify right side
    145,954.92x = 16,575,207,787.63
  5. Step 5: Solve for x
    x = 16,575,207,787.63/145,954.92
  6. Step 6: Final answer
    x = 113,563.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.