Home / 187,748.16-259,086.24-112,257.60

Finding the Fourth Proportional to 187,748.16, 259,086.24 and 112,257.60

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Solution

The fourth proportional to 187,748.16, 259,086.24 and 112,257.60 is: 154,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,748.16 : 259,086.24 = 112,257.60 : x
  2. Step 2: Convert to fraction form
    187,748.16/259,086.24 = 112,257.60/x
  3. Step 3: Cross multiply
    187,748.16x = 259,086.24 × 112,257.60
  4. Step 4: Simplify right side
    187,748.16x = 29,084,399,495.42
  5. Step 5: Solve for x
    x = 29,084,399,495.42/187,748.16
  6. Step 6: Final answer
    x = 154,911.77

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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.