Home / 186,166.20-279,143.52-127,073.40

Finding the Fourth Proportional to 186,166.20, 279,143.52 and 127,073.40

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Solution

The fourth proportional to 186,166.20, 279,143.52 and 127,073.40 is: 190,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,166.20 : 279,143.52 = 127,073.40 : x
  2. Step 2: Convert to fraction form
    186,166.20/279,143.52 = 127,073.40/x
  3. Step 3: Cross multiply
    186,166.20x = 279,143.52 × 127,073.40
  4. Step 4: Simplify right side
    186,166.20x = 35,471,716,174.37
  5. Step 5: Solve for x
    x = 35,471,716,174.37/186,166.20
  6. Step 6: Final answer
    x = 190,537.90

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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.