Home / 163,200.24-225,272.52-102,872.52

Finding the Fourth Proportional to 163,200.24, 225,272.52 and 102,872.52

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Solution

The fourth proportional to 163,200.24, 225,272.52 and 102,872.52 is: 141,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,200.24 : 225,272.52 = 102,872.52 : x
  2. Step 2: Convert to fraction form
    163,200.24/225,272.52 = 102,872.52/x
  3. Step 3: Cross multiply
    163,200.24x = 225,272.52 × 102,872.52
  4. Step 4: Simplify right side
    163,200.24x = 23,174,351,819.15
  5. Step 5: Solve for x
    x = 23,174,351,819.15/163,200.24
  6. Step 6: Final answer
    x = 141,999.50

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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.