Home / 343,784.09-474,414.69-190,813.36

Finding the Fourth Proportional to 343,784.09, 474,414.69 and 190,813.36

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Solution

The fourth proportional to 343,784.09, 474,414.69 and 190,813.36 is: 263,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,784.09 : 474,414.69 = 190,813.36 : x
  2. Step 2: Convert to fraction form
    343,784.09/474,414.69 = 190,813.36/x
  3. Step 3: Cross multiply
    343,784.09x = 474,414.69 × 190,813.36
  4. Step 4: Simplify right side
    343,784.09x = 90,524,661,032.26
  5. Step 5: Solve for x
    x = 90,524,661,032.26/343,784.09
  6. Step 6: Final answer
    x = 263,318.35

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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.