Home / 348,399.36-480,733.38-205,107.12

Finding the Fourth Proportional to 348,399.36, 480,733.38 and 205,107.12

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Solution

The fourth proportional to 348,399.36, 480,733.38 and 205,107.12 is: 283,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,399.36 : 480,733.38 = 205,107.12 : x
  2. Step 2: Convert to fraction form
    348,399.36/480,733.38 = 205,107.12/x
  3. Step 3: Cross multiply
    348,399.36x = 480,733.38 × 205,107.12
  4. Step 4: Simplify right side
    348,399.36x = 98,601,839,059.67
  5. Step 5: Solve for x
    x = 98,601,839,059.67/348,399.36
  6. Step 6: Final answer
    x = 283,013.84

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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.