Home / 186,090.53-279,137.48-52,970.73

Finding the Fourth Proportional to 186,090.53, 279,137.48 and 52,970.73

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Solution

The fourth proportional to 186,090.53, 279,137.48 and 52,970.73 is: 79,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.53 : 279,137.48 = 52,970.73 : x
  2. Step 2: Convert to fraction form
    186,090.53/279,137.48 = 52,970.73/x
  3. Step 3: Cross multiply
    186,090.53x = 279,137.48 × 52,970.73
  4. Step 4: Simplify right side
    186,090.53x = 14,786,115,821.11
  5. Step 5: Solve for x
    x = 14,786,115,821.11/186,090.53
  6. Step 6: Final answer
    x = 79,456.58

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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.