Home / 256,733.53-354,265-141,993.94

Finding the Fourth Proportional to 256,733.53, 354,265 and 141,993.94

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Solution

The fourth proportional to 256,733.53, 354,265 and 141,993.94 is: 195,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,733.53 : 354,265 = 141,993.94 : x
  2. Step 2: Convert to fraction form
    256,733.53/354,265 = 141,993.94/x
  3. Step 3: Cross multiply
    256,733.53x = 354,265 × 141,993.94
  4. Step 4: Simplify right side
    256,733.53x = 50,303,483,154.10
  5. Step 5: Solve for x
    x = 50,303,483,154.10/256,733.53
  6. Step 6: Final answer
    x = 195,936.55

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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.