Home / 186,505.47-279,751.37-53,385.53

Finding the Fourth Proportional to 186,505.47, 279,751.37 and 53,385.53

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Solution

The fourth proportional to 186,505.47, 279,751.37 and 53,385.53 is: 80,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,505.47 : 279,751.37 = 53,385.53 : x
  2. Step 2: Convert to fraction form
    186,505.47/279,751.37 = 53,385.53/x
  3. Step 3: Cross multiply
    186,505.47x = 279,751.37 × 53,385.53
  4. Step 4: Simplify right side
    186,505.47x = 14,934,673,489.99
  5. Step 5: Solve for x
    x = 14,934,673,489.99/186,505.47
  6. Step 6: Final answer
    x = 80,076.33

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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.