Home / 187,840.40-259,246.32-116,243.50

Finding the Fourth Proportional to 187,840.40, 259,246.32 and 116,243.50

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Solution

The fourth proportional to 187,840.40, 259,246.32 and 116,243.50 is: 160,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,840.40 : 259,246.32 = 116,243.50 : x
  2. Step 2: Convert to fraction form
    187,840.40/259,246.32 = 116,243.50/x
  3. Step 3: Cross multiply
    187,840.40x = 259,246.32 × 116,243.50
  4. Step 4: Simplify right side
    187,840.40x = 30,135,699,598.92
  5. Step 5: Solve for x
    x = 30,135,699,598.92/187,840.40
  6. Step 6: Final answer
    x = 160,432.47

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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.