Home / 118,431.10-177,743.85-114,543.10

Finding the Fourth Proportional to 118,431.10, 177,743.85 and 114,543.10

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Solution

The fourth proportional to 118,431.10, 177,743.85 and 114,543.10 is: 171,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431.10 : 177,743.85 = 114,543.10 : x
  2. Step 2: Convert to fraction form
    118,431.10/177,743.85 = 114,543.10/x
  3. Step 3: Cross multiply
    118,431.10x = 177,743.85 × 114,543.10
  4. Step 4: Simplify right side
    118,431.10x = 20,359,331,584.94
  5. Step 5: Solve for x
    x = 20,359,331,584.94/118,431.10
  6. Step 6: Final answer
    x = 171,908.66

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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.