Home / 378,561.18-567,628.86-125,706.35

Finding the Fourth Proportional to 378,561.18, 567,628.86 and 125,706.35

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Solution

The fourth proportional to 378,561.18, 567,628.86 and 125,706.35 is: 188,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,561.18 : 567,628.86 = 125,706.35 : x
  2. Step 2: Convert to fraction form
    378,561.18/567,628.86 = 125,706.35/x
  3. Step 3: Cross multiply
    378,561.18x = 567,628.86 × 125,706.35
  4. Step 4: Simplify right side
    378,561.18x = 71,354,552,145.26
  5. Step 5: Solve for x
    x = 71,354,552,145.26/378,561.18
  6. Step 6: Final answer
    x = 188,488.83

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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.