Home / 427,103.16-589,357.26-236,085.72

Finding the Fourth Proportional to 427,103.16, 589,357.26 and 236,085.72

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Solution

The fourth proportional to 427,103.16, 589,357.26 and 236,085.72 is: 325,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,103.16 : 589,357.26 = 236,085.72 : x
  2. Step 2: Convert to fraction form
    427,103.16/589,357.26 = 236,085.72/x
  3. Step 3: Cross multiply
    427,103.16x = 589,357.26 × 236,085.72
  4. Step 4: Simplify right side
    427,103.16x = 139,138,833,064.33
  5. Step 5: Solve for x
    x = 139,138,833,064.33/427,103.16
  6. Step 6: Final answer
    x = 325,773.36

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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.