Home / 341,979.69-512,945.24-105,297.69

Finding the Fourth Proportional to 341,979.69, 512,945.24 and 105,297.69

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Solution

The fourth proportional to 341,979.69, 512,945.24 and 105,297.69 is: 157,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,979.69 : 512,945.24 = 105,297.69 : x
  2. Step 2: Convert to fraction form
    341,979.69/512,945.24 = 105,297.69/x
  3. Step 3: Cross multiply
    341,979.69x = 512,945.24 × 105,297.69
  4. Step 4: Simplify right side
    341,979.69x = 54,011,948,342.01
  5. Step 5: Solve for x
    x = 54,011,948,342.01/341,979.69
  6. Step 6: Final answer
    x = 157,939.05

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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.