Home / 235,916.43-325,568.38-128,486.38

Finding the Fourth Proportional to 235,916.43, 325,568.38 and 128,486.38

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Solution

The fourth proportional to 235,916.43, 325,568.38 and 128,486.38 is: 177,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,916.43 : 325,568.38 = 128,486.38 : x
  2. Step 2: Convert to fraction form
    235,916.43/325,568.38 = 128,486.38/x
  3. Step 3: Cross multiply
    235,916.43x = 325,568.38 × 128,486.38
  4. Step 4: Simplify right side
    235,916.43x = 41,831,102,588.66
  5. Step 5: Solve for x
    x = 41,831,102,588.66/235,916.43
  6. Step 6: Final answer
    x = 177,313.22

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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.