Home / 118,076.20-177,114.30-103,313.95

Finding the Fourth Proportional to 118,076.20, 177,114.30 and 103,313.95

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Solution

The fourth proportional to 118,076.20, 177,114.30 and 103,313.95 is: 154,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,076.20 : 177,114.30 = 103,313.95 : x
  2. Step 2: Convert to fraction form
    118,076.20/177,114.30 = 103,313.95/x
  3. Step 3: Cross multiply
    118,076.20x = 177,114.30 × 103,313.95
  4. Step 4: Simplify right side
    118,076.20x = 18,298,377,934.49
  5. Step 5: Solve for x
    x = 18,298,377,934.49/118,076.20
  6. Step 6: Final answer
    x = 154,970.93

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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.