Home / 263,537.08-363,681.41-142,678.45

Finding the Fourth Proportional to 263,537.08, 363,681.41 and 142,678.45

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Solution

The fourth proportional to 263,537.08, 363,681.41 and 142,678.45 is: 196,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,537.08 : 363,681.41 = 142,678.45 : x
  2. Step 2: Convert to fraction form
    263,537.08/363,681.41 = 142,678.45/x
  3. Step 3: Cross multiply
    263,537.08x = 363,681.41 × 142,678.45
  4. Step 4: Simplify right side
    263,537.08x = 51,889,499,872.61
  5. Step 5: Solve for x
    x = 51,889,499,872.61/263,537.08
  6. Step 6: Final answer
    x = 196,896.39

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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.