Home / 263,438.06-363,541.38-142,576.49

Finding the Fourth Proportional to 263,438.06, 363,541.38 and 142,576.49

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Solution

The fourth proportional to 263,438.06, 363,541.38 and 142,576.49 is: 196,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,438.06 : 363,541.38 = 142,576.49 : x
  2. Step 2: Convert to fraction form
    263,438.06/363,541.38 = 142,576.49/x
  3. Step 3: Cross multiply
    263,438.06x = 363,541.38 × 142,576.49
  4. Step 4: Simplify right side
    263,438.06x = 51,832,453,930.16
  5. Step 5: Solve for x
    x = 51,832,453,930.16/263,438.06
  6. Step 6: Final answer
    x = 196,753.86

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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.