Home / 116,178.14-174,246.30-30,789.56

Finding the Fourth Proportional to 116,178.14, 174,246.30 and 30,789.56

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Solution

The fourth proportional to 116,178.14, 174,246.30 and 30,789.56 is: 46,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,178.14 : 174,246.30 = 30,789.56 : x
  2. Step 2: Convert to fraction form
    116,178.14/174,246.30 = 30,789.56/x
  3. Step 3: Cross multiply
    116,178.14x = 174,246.30 × 30,789.56
  4. Step 4: Simplify right side
    116,178.14x = 5,364,966,908.63
  5. Step 5: Solve for x
    x = 5,364,966,908.63/116,178.14
  6. Step 6: Final answer
    x = 46,178.80

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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.