Home / 289,153.08-398,983.64-181,646.97

Finding the Fourth Proportional to 289,153.08, 398,983.64 and 181,646.97

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Solution

The fourth proportional to 289,153.08, 398,983.64 and 181,646.97 is: 250,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,153.08 : 398,983.64 = 181,646.97 : x
  2. Step 2: Convert to fraction form
    289,153.08/398,983.64 = 181,646.97/x
  3. Step 3: Cross multiply
    289,153.08x = 398,983.64 × 181,646.97
  4. Step 4: Simplify right side
    289,153.08x = 72,474,168,377.34
  5. Step 5: Solve for x
    x = 72,474,168,377.34/289,153.08
  6. Step 6: Final answer
    x = 250,642.91

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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.