Home / 165,153.12-247,709.16-52,845

Finding the Fourth Proportional to 165,153.12, 247,709.16 and 52,845

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Solution

The fourth proportional to 165,153.12, 247,709.16 and 52,845 is: 79,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,153.12 : 247,709.16 = 52,845 : x
  2. Step 2: Convert to fraction form
    165,153.12/247,709.16 = 52,845/x
  3. Step 3: Cross multiply
    165,153.12x = 247,709.16 × 52,845
  4. Step 4: Simplify right side
    165,153.12x = 13,090,190,560.20
  5. Step 5: Solve for x
    x = 13,090,190,560.20/165,153.12
  6. Step 6: Final answer
    x = 79,260.93

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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.