Home / 118,273.61-163,195.76-67,283.37

Finding the Fourth Proportional to 118,273.61, 163,195.76 and 67,283.37

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Solution

The fourth proportional to 118,273.61, 163,195.76 and 67,283.37 is: 92,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,273.61 : 163,195.76 = 67,283.37 : x
  2. Step 2: Convert to fraction form
    118,273.61/163,195.76 = 67,283.37/x
  3. Step 3: Cross multiply
    118,273.61x = 163,195.76 × 67,283.37
  4. Step 4: Simplify right side
    118,273.61x = 10,980,359,754.11
  5. Step 5: Solve for x
    x = 10,980,359,754.11/118,273.61
  6. Step 6: Final answer
    x = 92,838.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.