Home / 118,881.27-178,257.51-52,243.38

Finding the Fourth Proportional to 118,881.27, 178,257.51 and 52,243.38

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Solution

The fourth proportional to 118,881.27, 178,257.51 and 52,243.38 is: 78,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,881.27 : 178,257.51 = 52,243.38 : x
  2. Step 2: Convert to fraction form
    118,881.27/178,257.51 = 52,243.38/x
  3. Step 3: Cross multiply
    118,881.27x = 178,257.51 × 52,243.38
  4. Step 4: Simplify right side
    118,881.27x = 9,312,774,832.78
  5. Step 5: Solve for x
    x = 9,312,774,832.78/118,881.27
  6. Step 6: Final answer
    x = 78,336.77

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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.