Home / 181,605.37-272,227.31-86,724.64

Finding the Fourth Proportional to 181,605.37, 272,227.31 and 86,724.64

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Solution

The fourth proportional to 181,605.37, 272,227.31 and 86,724.64 is: 130,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,605.37 : 272,227.31 = 86,724.64 : x
  2. Step 2: Convert to fraction form
    181,605.37/272,227.31 = 86,724.64/x
  3. Step 3: Cross multiply
    181,605.37x = 272,227.31 × 86,724.64
  4. Step 4: Simplify right side
    181,605.37x = 23,608,815,457.92
  5. Step 5: Solve for x
    x = 23,608,815,457.92/181,605.37
  6. Step 6: Final answer
    x = 130,000.65

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1.5x scale

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.