Home / 183,112.72-252,702.75-102,539.53

Finding the Fourth Proportional to 183,112.72, 252,702.75 and 102,539.53

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Solution

The fourth proportional to 183,112.72, 252,702.75 and 102,539.53 is: 141,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,112.72 : 252,702.75 = 102,539.53 : x
  2. Step 2: Convert to fraction form
    183,112.72/252,702.75 = 102,539.53/x
  3. Step 3: Cross multiply
    183,112.72x = 252,702.75 × 102,539.53
  4. Step 4: Simplify right side
    183,112.72x = 25,912,021,214.71
  5. Step 5: Solve for x
    x = 25,912,021,214.71/183,112.72
  6. Step 6: Final answer
    x = 141,508.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.