Home / 319,564.48-441,001.34-176,329.84

Finding the Fourth Proportional to 319,564.48, 441,001.34 and 176,329.84

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Solution

The fourth proportional to 319,564.48, 441,001.34 and 176,329.84 is: 243,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,564.48 : 441,001.34 = 176,329.84 : x
  2. Step 2: Convert to fraction form
    319,564.48/441,001.34 = 176,329.84/x
  3. Step 3: Cross multiply
    319,564.48x = 441,001.34 × 176,329.84
  4. Step 4: Simplify right side
    319,564.48x = 77,761,695,721.99
  5. Step 5: Solve for x
    x = 77,761,695,721.99/319,564.48
  6. Step 6: Final answer
    x = 243,336.48

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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.