Home / 379,318.51-568,852.69-126,529.34

Finding the Fourth Proportional to 379,318.51, 568,852.69 and 126,529.34

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Solution

The fourth proportional to 379,318.51, 568,852.69 and 126,529.34 is: 189,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,318.51 : 568,852.69 = 126,529.34 : x
  2. Step 2: Convert to fraction form
    379,318.51/568,852.69 = 126,529.34/x
  3. Step 3: Cross multiply
    379,318.51x = 568,852.69 × 126,529.34
  4. Step 4: Simplify right side
    379,318.51x = 71,976,551,946.01
  5. Step 5: Solve for x
    x = 71,976,551,946.01/379,318.51
  6. Step 6: Final answer
    x = 189,752.28

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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.