Home / 181,721.73-250,775.96-101,147.51

Finding the Fourth Proportional to 181,721.73, 250,775.96 and 101,147.51

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Solution

The fourth proportional to 181,721.73, 250,775.96 and 101,147.51 is: 139,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.73 : 250,775.96 = 101,147.51 : x
  2. Step 2: Convert to fraction form
    181,721.73/250,775.96 = 101,147.51/x
  3. Step 3: Cross multiply
    181,721.73x = 250,775.96 × 101,147.51
  4. Step 4: Simplify right side
    181,721.73x = 25,365,363,921.86
  5. Step 5: Solve for x
    x = 25,365,363,921.86/181,721.73
  6. Step 6: Final answer
    x = 139,583.55

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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.