Home / 146,107.55-201,626.45-81,577.78

Finding the Fourth Proportional to 146,107.55, 201,626.45 and 81,577.78

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Solution

The fourth proportional to 146,107.55, 201,626.45 and 81,577.78 is: 112,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,107.55 : 201,626.45 = 81,577.78 : x
  2. Step 2: Convert to fraction form
    146,107.55/201,626.45 = 81,577.78/x
  3. Step 3: Cross multiply
    146,107.55x = 201,626.45 × 81,577.78
  4. Step 4: Simplify right side
    146,107.55x = 16,448,238,708.39
  5. Step 5: Solve for x
    x = 16,448,238,708.39/146,107.55
  6. Step 6: Final answer
    x = 112,576.24

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1.5x scale

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.