Home / 118,868.37-178,260.09-55,677.70

Finding the Fourth Proportional to 118,868.37, 178,260.09 and 55,677.70

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Solution

The fourth proportional to 118,868.37, 178,260.09 and 55,677.70 is: 83,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,868.37 : 178,260.09 = 55,677.70 : x
  2. Step 2: Convert to fraction form
    118,868.37/178,260.09 = 55,677.70/x
  3. Step 3: Cross multiply
    118,868.37x = 178,260.09 × 55,677.70
  4. Step 4: Simplify right side
    118,868.37x = 9,925,111,812.99
  5. Step 5: Solve for x
    x = 9,925,111,812.99/118,868.37
  6. Step 6: Final answer
    x = 83,496.66

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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.