Home / 186,853.14-280,383.39-76,036.50

Finding the Fourth Proportional to 186,853.14, 280,383.39 and 76,036.50

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Solution

The fourth proportional to 186,853.14, 280,383.39 and 76,036.50 is: 114,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,853.14 : 280,383.39 = 76,036.50 : x
  2. Step 2: Convert to fraction form
    186,853.14/280,383.39 = 76,036.50/x
  3. Step 3: Cross multiply
    186,853.14x = 280,383.39 × 76,036.50
  4. Step 4: Simplify right side
    186,853.14x = 21,319,371,633.74
  5. Step 5: Solve for x
    x = 21,319,371,633.74/186,853.14
  6. Step 6: Final answer
    x = 114,096.94

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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.