Home / 348,856.12-481,426.48-195,927.40

Finding the Fourth Proportional to 348,856.12, 481,426.48 and 195,927.40

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Solution

The fourth proportional to 348,856.12, 481,426.48 and 195,927.40 is: 270,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,856.12 : 481,426.48 = 195,927.40 : x
  2. Step 2: Convert to fraction form
    348,856.12/481,426.48 = 195,927.40/x
  3. Step 3: Cross multiply
    348,856.12x = 481,426.48 × 195,927.40
  4. Step 4: Simplify right side
    348,856.12x = 94,324,638,517.55
  5. Step 5: Solve for x
    x = 94,324,638,517.55/348,856.12
  6. Step 6: Final answer
    x = 270,382.64

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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.