Home / 118,952.36-178,428.62-30,212.52

Finding the Fourth Proportional to 118,952.36, 178,428.62 and 30,212.52

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Solution

The fourth proportional to 118,952.36, 178,428.62 and 30,212.52 is: 45,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,952.36 : 178,428.62 = 30,212.52 : x
  2. Step 2: Convert to fraction form
    118,952.36/178,428.62 = 30,212.52/x
  3. Step 3: Cross multiply
    118,952.36x = 178,428.62 × 30,212.52
  4. Step 4: Simplify right side
    118,952.36x = 5,390,778,250.32
  5. Step 5: Solve for x
    x = 5,390,778,250.32/118,952.36
  6. Step 6: Final answer
    x = 45,318.80

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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.