Home / 192,748.32-287,710.80-170,023.20

Finding the Fourth Proportional to 192,748.32, 287,710.80 and 170,023.20

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Solution

The fourth proportional to 192,748.32, 287,710.80 and 170,023.20 is: 253,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,748.32 : 287,710.80 = 170,023.20 : x
  2. Step 2: Convert to fraction form
    192,748.32/287,710.80 = 170,023.20/x
  3. Step 3: Cross multiply
    192,748.32x = 287,710.80 × 170,023.20
  4. Step 4: Simplify right side
    192,748.32x = 48,917,510,890.56
  5. Step 5: Solve for x
    x = 48,917,510,890.56/192,748.32
  6. Step 6: Final answer
    x = 253,789.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.