Home / 289,153.27-398,983.89-181,647.16

Finding the Fourth Proportional to 289,153.27, 398,983.89 and 181,647.16

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Solution

The fourth proportional to 289,153.27, 398,983.89 and 181,647.16 is: 250,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,153.27 : 398,983.89 = 181,647.16 : x
  2. Step 2: Convert to fraction form
    289,153.27/398,983.89 = 181,647.16/x
  3. Step 3: Cross multiply
    289,153.27x = 398,983.89 × 181,647.16
  4. Step 4: Simplify right side
    289,153.27x = 72,474,290,187.97
  5. Step 5: Solve for x
    x = 72,474,290,187.97/289,153.27
  6. Step 6: Final answer
    x = 250,643.17

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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.