Home / 187,880.11-259,302.25-118,975.86

Finding the Fourth Proportional to 187,880.11, 259,302.25 and 118,975.86

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Solution

The fourth proportional to 187,880.11, 259,302.25 and 118,975.86 is: 164,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,880.11 : 259,302.25 = 118,975.86 : x
  2. Step 2: Convert to fraction form
    187,880.11/259,302.25 = 118,975.86/x
  3. Step 3: Cross multiply
    187,880.11x = 259,302.25 × 118,975.86
  4. Step 4: Simplify right side
    187,880.11x = 30,850,707,896.25
  5. Step 5: Solve for x
    x = 30,850,707,896.25/187,880.11
  6. Step 6: Final answer
    x = 164,204.23

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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.