Home / 351,725.31-485,381.36-190,580.23

Finding the Fourth Proportional to 351,725.31, 485,381.36 and 190,580.23

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Solution

The fourth proportional to 351,725.31, 485,381.36 and 190,580.23 is: 263,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,725.31 : 485,381.36 = 190,580.23 : x
  2. Step 2: Convert to fraction form
    351,725.31/485,381.36 = 190,580.23/x
  3. Step 3: Cross multiply
    351,725.31x = 485,381.36 × 190,580.23
  4. Step 4: Simplify right side
    351,725.31x = 92,504,091,226.51
  5. Step 5: Solve for x
    x = 92,504,091,226.51/351,725.31
  6. Step 6: Final answer
    x = 263,000.95

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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.