Home / 319,110.69-440,365.17-173,921.06

Finding the Fourth Proportional to 319,110.69, 440,365.17 and 173,921.06

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Solution

The fourth proportional to 319,110.69, 440,365.17 and 173,921.06 is: 240,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,110.69 : 440,365.17 = 173,921.06 : x
  2. Step 2: Convert to fraction form
    319,110.69/440,365.17 = 173,921.06/x
  3. Step 3: Cross multiply
    319,110.69x = 440,365.17 × 173,921.06
  4. Step 4: Simplify right side
    319,110.69x = 76,588,777,553.60
  5. Step 5: Solve for x
    x = 76,588,777,553.60/319,110.69
  6. Step 6: Final answer
    x = 240,006.93

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1.5x scale

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.