Home / 187,748.90-281,620.92-45,595.34

Finding the Fourth Proportional to 187,748.90, 281,620.92 and 45,595.34

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Solution

The fourth proportional to 187,748.90, 281,620.92 and 45,595.34 is: 68,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,748.90 : 281,620.92 = 45,595.34 : x
  2. Step 2: Convert to fraction form
    187,748.90/281,620.92 = 45,595.34/x
  3. Step 3: Cross multiply
    187,748.90x = 281,620.92 × 45,595.34
  4. Step 4: Simplify right side
    187,748.90x = 12,840,601,598.51
  5. Step 5: Solve for x
    x = 12,840,601,598.51/187,748.90
  6. Step 6: Final answer
    x = 68,392.42

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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.