Home / 319,220.77-440,513.33-174,023.55

Finding the Fourth Proportional to 319,220.77, 440,513.33 and 174,023.55

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Solution

The fourth proportional to 319,220.77, 440,513.33 and 174,023.55 is: 240,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,220.77 : 440,513.33 = 174,023.55 : x
  2. Step 2: Convert to fraction form
    319,220.77/440,513.33 = 174,023.55/x
  3. Step 3: Cross multiply
    319,220.77x = 440,513.33 × 174,023.55
  4. Step 4: Simplify right side
    319,220.77x = 76,659,691,972.58
  5. Step 5: Solve for x
    x = 76,659,691,972.58/319,220.77
  6. Step 6: Final answer
    x = 240,146.31

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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.