Home / 186,056.20-279,084.30-170,309.80

Finding the Fourth Proportional to 186,056.20, 279,084.30 and 170,309.80

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Solution

The fourth proportional to 186,056.20, 279,084.30 and 170,309.80 is: 255,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,056.20 : 279,084.30 = 170,309.80 : x
  2. Step 2: Convert to fraction form
    186,056.20/279,084.30 = 170,309.80/x
  3. Step 3: Cross multiply
    186,056.20x = 279,084.30 × 170,309.80
  4. Step 4: Simplify right side
    186,056.20x = 47,530,791,316.14
  5. Step 5: Solve for x
    x = 47,530,791,316.14/186,056.20
  6. Step 6: Final answer
    x = 255,464.70

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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.