Home / 525,683.43-788,563.35-188,765.10

Finding the Fourth Proportional to 525,683.43, 788,563.35 and 188,765.10

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Solution

The fourth proportional to 525,683.43, 788,563.35 and 188,765.10 is: 283,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,683.43 : 788,563.35 = 188,765.10 : x
  2. Step 2: Convert to fraction form
    525,683.43/788,563.35 = 188,765.10/x
  3. Step 3: Cross multiply
    525,683.43x = 788,563.35 × 188,765.10
  4. Step 4: Simplify right side
    525,683.43x = 148,853,239,619.09
  5. Step 5: Solve for x
    x = 148,853,239,619.09/525,683.43
  6. Step 6: Final answer
    x = 283,161.37

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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.