Home / 181,724.12-272,629.90-76,573.16

Finding the Fourth Proportional to 181,724.12, 272,629.90 and 76,573.16

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Solution

The fourth proportional to 181,724.12, 272,629.90 and 76,573.16 is: 114,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,724.12 : 272,629.90 = 76,573.16 : x
  2. Step 2: Convert to fraction form
    181,724.12/272,629.90 = 76,573.16/x
  3. Step 3: Cross multiply
    181,724.12x = 272,629.90 × 76,573.16
  4. Step 4: Simplify right side
    181,724.12x = 20,876,132,953.48
  5. Step 5: Solve for x
    x = 20,876,132,953.48/181,724.12
  6. Step 6: Final answer
    x = 114,878.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.