Home / 181,968.93-251,109.18-101,405.25

Finding the Fourth Proportional to 181,968.93, 251,109.18 and 101,405.25

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Solution

The fourth proportional to 181,968.93, 251,109.18 and 101,405.25 is: 139,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,968.93 : 251,109.18 = 101,405.25 : x
  2. Step 2: Convert to fraction form
    181,968.93/251,109.18 = 101,405.25/x
  3. Step 3: Cross multiply
    181,968.93x = 251,109.18 × 101,405.25
  4. Step 4: Simplify right side
    181,968.93x = 25,463,789,175.20
  5. Step 5: Solve for x
    x = 25,463,789,175.20/181,968.93
  6. Step 6: Final answer
    x = 139,934.82

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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.