Home / 146,057.37-201,558.43-81,522.91

Finding the Fourth Proportional to 146,057.37, 201,558.43 and 81,522.91

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Solution

The fourth proportional to 146,057.37, 201,558.43 and 81,522.91 is: 112,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,057.37 : 201,558.43 = 81,522.91 : x
  2. Step 2: Convert to fraction form
    146,057.37/201,558.43 = 81,522.91/x
  3. Step 3: Cross multiply
    146,057.37x = 201,558.43 × 81,522.91
  4. Step 4: Simplify right side
    146,057.37x = 16,431,629,643.92
  5. Step 5: Solve for x
    x = 16,431,629,643.92/146,057.37
  6. Step 6: Final answer
    x = 112,501.20

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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.