Home / 256,717.18-354,268.11-141,993.77

Finding the Fourth Proportional to 256,717.18, 354,268.11 and 141,993.77

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Solution

The fourth proportional to 256,717.18, 354,268.11 and 141,993.77 is: 195,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,717.18 : 354,268.11 = 141,993.77 : x
  2. Step 2: Convert to fraction form
    256,717.18/354,268.11 = 141,993.77/x
  3. Step 3: Cross multiply
    256,717.18x = 354,268.11 × 141,993.77
  4. Step 4: Simplify right side
    256,717.18x = 50,303,862,758.33
  5. Step 5: Solve for x
    x = 50,303,862,758.33/256,717.18
  6. Step 6: Final answer
    x = 195,950.51

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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.