Home / 525,916.14-788,874.16-126,556.96

Finding the Fourth Proportional to 525,916.14, 788,874.16 and 126,556.96

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Solution

The fourth proportional to 525,916.14, 788,874.16 and 126,556.96 is: 189,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,916.14 : 788,874.16 = 126,556.96 : x
  2. Step 2: Convert to fraction form
    525,916.14/788,874.16 = 126,556.96/x
  3. Step 3: Cross multiply
    525,916.14x = 788,874.16 × 126,556.96
  4. Step 4: Simplify right side
    525,916.14x = 99,837,515,512.15
  5. Step 5: Solve for x
    x = 99,837,515,512.15/525,916.14
  6. Step 6: Final answer
    x = 189,835.43

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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.