Home / 118,996.96-178,542.18-52,390.36

Finding the Fourth Proportional to 118,996.96, 178,542.18 and 52,390.36

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Solution

The fourth proportional to 118,996.96, 178,542.18 and 52,390.36 is: 78,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,996.96 : 178,542.18 = 52,390.36 : x
  2. Step 2: Convert to fraction form
    118,996.96/178,542.18 = 52,390.36/x
  3. Step 3: Cross multiply
    118,996.96x = 178,542.18 × 52,390.36
  4. Step 4: Simplify right side
    118,996.96x = 9,353,889,085.38
  5. Step 5: Solve for x
    x = 9,353,889,085.38/118,996.96
  6. Step 6: Final answer
    x = 78,606.12

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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.