Home / 186,996.12-280,652.70-74,755.58

Finding the Fourth Proportional to 186,996.12, 280,652.70 and 74,755.58

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Solution

The fourth proportional to 186,996.12, 280,652.70 and 74,755.58 is: 112,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,996.12 : 280,652.70 = 74,755.58 : x
  2. Step 2: Convert to fraction form
    186,996.12/280,652.70 = 74,755.58/x
  3. Step 3: Cross multiply
    186,996.12x = 280,652.70 × 74,755.58
  4. Step 4: Simplify right side
    186,996.12x = 20,980,355,367.07
  5. Step 5: Solve for x
    x = 20,980,355,367.07/186,996.12
  6. Step 6: Final answer
    x = 112,196.74

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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.