Home / 319,852.08-479,874-95,220.36

Finding the Fourth Proportional to 319,852.08, 479,874 and 95,220.36

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Solution

The fourth proportional to 319,852.08, 479,874 and 95,220.36 is: 142,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,852.08 : 479,874 = 95,220.36 : x
  2. Step 2: Convert to fraction form
    319,852.08/479,874 = 95,220.36/x
  3. Step 3: Cross multiply
    319,852.08x = 479,874 × 95,220.36
  4. Step 4: Simplify right side
    319,852.08x = 45,693,775,034.64
  5. Step 5: Solve for x
    x = 45,693,775,034.64/319,852.08
  6. Step 6: Final answer
    x = 142,859.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.