Home / 181,721.59-250,775.82-101,147.40

Finding the Fourth Proportional to 181,721.59, 250,775.82 and 101,147.40

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Solution

The fourth proportional to 181,721.59, 250,775.82 and 101,147.40 is: 139,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.59 : 250,775.82 = 101,147.40 : x
  2. Step 2: Convert to fraction form
    181,721.59/250,775.82 = 101,147.40/x
  3. Step 3: Cross multiply
    181,721.59x = 250,775.82 × 101,147.40
  4. Step 4: Simplify right side
    181,721.59x = 25,365,322,175.87
  5. Step 5: Solve for x
    x = 25,365,322,175.87/181,721.59
  6. Step 6: Final answer
    x = 139,583.43

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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.