Home / 119,821.47-178,750.94-116,563.78

Finding the Fourth Proportional to 119,821.47, 178,750.94 and 116,563.78

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Solution

The fourth proportional to 119,821.47, 178,750.94 and 116,563.78 is: 173,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,821.47 : 178,750.94 = 116,563.78 : x
  2. Step 2: Convert to fraction form
    119,821.47/178,750.94 = 116,563.78/x
  3. Step 3: Cross multiply
    119,821.47x = 178,750.94 × 116,563.78
  4. Step 4: Simplify right side
    119,821.47x = 20,835,885,244.95
  5. Step 5: Solve for x
    x = 20,835,885,244.95/119,821.47
  6. Step 6: Final answer
    x = 173,891.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.