Home / 319,912.47-441,479.52-176,673.11

Finding the Fourth Proportional to 319,912.47, 441,479.52 and 176,673.11

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Solution

The fourth proportional to 319,912.47, 441,479.52 and 176,673.11 is: 243,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,912.47 : 441,479.52 = 176,673.11 : x
  2. Step 2: Convert to fraction form
    319,912.47/441,479.52 = 176,673.11/x
  3. Step 3: Cross multiply
    319,912.47x = 441,479.52 × 176,673.11
  4. Step 4: Simplify right side
    319,912.47x = 77,997,557,592.31
  5. Step 5: Solve for x
    x = 77,997,557,592.31/319,912.47
  6. Step 6: Final answer
    x = 243,809.06

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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.