Home / 255,896.11-353,022.41-148,403.84

Finding the Fourth Proportional to 255,896.11, 353,022.41 and 148,403.84

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Solution

The fourth proportional to 255,896.11, 353,022.41 and 148,403.84 is: 204,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,896.11 : 353,022.41 = 148,403.84 : x
  2. Step 2: Convert to fraction form
    255,896.11/353,022.41 = 148,403.84/x
  3. Step 3: Cross multiply
    255,896.11x = 353,022.41 × 148,403.84
  4. Step 4: Simplify right side
    255,896.11x = 52,389,881,250.05
  5. Step 5: Solve for x
    x = 52,389,881,250.05/255,896.11
  6. Step 6: Final answer
    x = 204,731.06

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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.