Home / 118,975.45-178,521.27-52,407.27

Finding the Fourth Proportional to 118,975.45, 178,521.27 and 52,407.27

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Solution

The fourth proportional to 118,975.45, 178,521.27 and 52,407.27 is: 78,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,975.45 : 178,521.27 = 52,407.27 : x
  2. Step 2: Convert to fraction form
    118,975.45/178,521.27 = 52,407.27/x
  3. Step 3: Cross multiply
    118,975.45x = 178,521.27 × 52,407.27
  4. Step 4: Simplify right side
    118,975.45x = 9,355,812,201.11
  5. Step 5: Solve for x
    x = 9,355,812,201.11/118,975.45
  6. Step 6: Final answer
    x = 78,636.49

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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.