Home / 319,907.19-441,468.34-176,664.36

Finding the Fourth Proportional to 319,907.19, 441,468.34 and 176,664.36

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Solution

The fourth proportional to 319,907.19, 441,468.34 and 176,664.36 is: 243,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,907.19 : 441,468.34 = 176,664.36 : x
  2. Step 2: Convert to fraction form
    319,907.19/441,468.34 = 176,664.36/x
  3. Step 3: Cross multiply
    319,907.19x = 441,468.34 × 176,664.36
  4. Step 4: Simplify right side
    319,907.19x = 77,991,721,746.36
  5. Step 5: Solve for x
    x = 77,991,721,746.36/319,907.19
  6. Step 6: Final answer
    x = 243,794.84

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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.