Home / 117,986.76-176,981.94-43,122.12

Finding the Fourth Proportional to 117,986.76, 176,981.94 and 43,122.12

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Solution

The fourth proportional to 117,986.76, 176,981.94 and 43,122.12 is: 64,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,986.76 : 176,981.94 = 43,122.12 : x
  2. Step 2: Convert to fraction form
    117,986.76/176,981.94 = 43,122.12/x
  3. Step 3: Cross multiply
    117,986.76x = 176,981.94 × 43,122.12
  4. Step 4: Simplify right side
    117,986.76x = 7,631,836,454.51
  5. Step 5: Solve for x
    x = 7,631,836,454.51/117,986.76
  6. Step 6: Final answer
    x = 64,683.84

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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.