Home / 119,221.11-178,059.96-107,953.95

Finding the Fourth Proportional to 119,221.11, 178,059.96 and 107,953.95

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Solution

The fourth proportional to 119,221.11, 178,059.96 and 107,953.95 is: 161,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,221.11 : 178,059.96 = 107,953.95 : x
  2. Step 2: Convert to fraction form
    119,221.11/178,059.96 = 107,953.95/x
  3. Step 3: Cross multiply
    119,221.11x = 178,059.96 × 107,953.95
  4. Step 4: Simplify right side
    119,221.11x = 19,222,276,018.84
  5. Step 5: Solve for x
    x = 19,222,276,018.84/119,221.11
  6. Step 6: Final answer
    x = 161,232.15

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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.