Home / 383,185.09-528,755.72-235,986.66

Finding the Fourth Proportional to 383,185.09, 528,755.72 and 235,986.66

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Solution

The fourth proportional to 383,185.09, 528,755.72 and 235,986.66 is: 325,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,185.09 : 528,755.72 = 235,986.66 : x
  2. Step 2: Convert to fraction form
    383,185.09/528,755.72 = 235,986.66/x
  3. Step 3: Cross multiply
    383,185.09x = 528,755.72 × 235,986.66
  4. Step 4: Simplify right side
    383,185.09x = 124,779,294,040.88
  5. Step 5: Solve for x
    x = 124,779,294,040.88/383,185.09
  6. Step 6: Final answer
    x = 325,637.13

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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.