Home / 181,398.87-272,216.79-69,080.18

Finding the Fourth Proportional to 181,398.87, 272,216.79 and 69,080.18

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Solution

The fourth proportional to 181,398.87, 272,216.79 and 69,080.18 is: 103,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,398.87 : 272,216.79 = 69,080.18 : x
  2. Step 2: Convert to fraction form
    181,398.87/272,216.79 = 69,080.18/x
  3. Step 3: Cross multiply
    181,398.87x = 272,216.79 × 69,080.18
  4. Step 4: Simplify right side
    181,398.87x = 18,804,783,491.14
  5. Step 5: Solve for x
    x = 18,804,783,491.14/181,398.87
  6. Step 6: Final answer
    x = 103,665.38

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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.