Home / 329,882.10-455,242.59-178,979.10

Finding the Fourth Proportional to 329,882.10, 455,242.59 and 178,979.10

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Solution

The fourth proportional to 329,882.10, 455,242.59 and 178,979.10 is: 246,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,882.10 : 455,242.59 = 178,979.10 : x
  2. Step 2: Convert to fraction form
    329,882.10/455,242.59 = 178,979.10/x
  3. Step 3: Cross multiply
    329,882.10x = 455,242.59 × 178,979.10
  4. Step 4: Simplify right side
    329,882.10x = 81,478,909,039.87
  5. Step 5: Solve for x
    x = 81,478,909,039.87/329,882.10
  6. Step 6: Final answer
    x = 246,994.03

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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.