Home / 187,466.24-281,256.96-76,666.88

Finding the Fourth Proportional to 187,466.24, 281,256.96 and 76,666.88

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Solution

The fourth proportional to 187,466.24, 281,256.96 and 76,666.88 is: 115,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,466.24 : 281,256.96 = 76,666.88 : x
  2. Step 2: Convert to fraction form
    187,466.24/281,256.96 = 76,666.88/x
  3. Step 3: Cross multiply
    187,466.24x = 281,256.96 × 76,666.88
  4. Step 4: Simplify right side
    187,466.24x = 21,563,093,601.48
  5. Step 5: Solve for x
    x = 21,563,093,601.48/187,466.24
  6. Step 6: Final answer
    x = 115,023.88

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1.5x scale

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.