Home / 187,865.56-259,303.50-116,203.96

Finding the Fourth Proportional to 187,865.56, 259,303.50 and 116,203.96

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Solution

The fourth proportional to 187,865.56, 259,303.50 and 116,203.96 is: 160,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,865.56 : 259,303.50 = 116,203.96 : x
  2. Step 2: Convert to fraction form
    187,865.56/259,303.50 = 116,203.96/x
  3. Step 3: Cross multiply
    187,865.56x = 259,303.50 × 116,203.96
  4. Step 4: Simplify right side
    187,865.56x = 30,132,093,541.86
  5. Step 5: Solve for x
    x = 30,132,093,541.86/187,865.56
  6. Step 6: Final answer
    x = 160,391.79

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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.