Home / 319,564.39-441,008.09-176,333.66

Finding the Fourth Proportional to 319,564.39, 441,008.09 and 176,333.66

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Solution

The fourth proportional to 319,564.39, 441,008.09 and 176,333.66 is: 243,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,564.39 : 441,008.09 = 176,333.66 : x
  2. Step 2: Convert to fraction form
    319,564.39/441,008.09 = 176,333.66/x
  3. Step 3: Cross multiply
    319,564.39x = 441,008.09 × 176,333.66
  4. Step 4: Simplify right side
    319,564.39x = 77,764,570,599.31
  5. Step 5: Solve for x
    x = 77,764,570,599.31/319,564.39
  6. Step 6: Final answer
    x = 243,345.54

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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.