Home / 319,904.69-441,464.90-176,661.86

Finding the Fourth Proportional to 319,904.69, 441,464.90 and 176,661.86

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Solution

The fourth proportional to 319,904.69, 441,464.90 and 176,661.86 is: 243,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,904.69 : 441,464.90 = 176,661.86 : x
  2. Step 2: Convert to fraction form
    319,904.69/441,464.90 = 176,661.86/x
  3. Step 3: Cross multiply
    319,904.69x = 441,464.90 × 176,661.86
  4. Step 4: Simplify right side
    319,904.69x = 77,990,007,268.08
  5. Step 5: Solve for x
    x = 77,990,007,268.08/319,904.69
  6. Step 6: Final answer
    x = 243,791.39

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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.