Home / 319,223.94-440,515.36-174,026.26

Finding the Fourth Proportional to 319,223.94, 440,515.36 and 174,026.26

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Solution

The fourth proportional to 319,223.94, 440,515.36 and 174,026.26 is: 240,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,223.94 : 440,515.36 = 174,026.26 : x
  2. Step 2: Convert to fraction form
    319,223.94/440,515.36 = 174,026.26/x
  3. Step 3: Cross multiply
    319,223.94x = 440,515.36 × 174,026.26
  4. Step 4: Simplify right side
    319,223.94x = 76,661,240,573.35
  5. Step 5: Solve for x
    x = 76,661,240,573.35/319,223.94
  6. Step 6: Final answer
    x = 240,148.78

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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.