Home / 186,634.06-279,463.12-102,218.64

Finding the Fourth Proportional to 186,634.06, 279,463.12 and 102,218.64

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Solution

The fourth proportional to 186,634.06, 279,463.12 and 102,218.64 is: 153,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,634.06 : 279,463.12 = 102,218.64 : x
  2. Step 2: Convert to fraction form
    186,634.06/279,463.12 = 102,218.64/x
  3. Step 3: Cross multiply
    186,634.06x = 279,463.12 × 102,218.64
  4. Step 4: Simplify right side
    186,634.06x = 28,566,340,056.56
  5. Step 5: Solve for x
    x = 28,566,340,056.56/186,634.06
  6. Step 6: Final answer
    x = 153,060.70

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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.