Home / 187,942.48-259,409.19-116,280.16

Finding the Fourth Proportional to 187,942.48, 259,409.19 and 116,280.16

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Solution

The fourth proportional to 187,942.48, 259,409.19 and 116,280.16 is: 160,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,942.48 : 259,409.19 = 116,280.16 : x
  2. Step 2: Convert to fraction form
    187,942.48/259,409.19 = 116,280.16/x
  3. Step 3: Cross multiply
    187,942.48x = 259,409.19 × 116,280.16
  4. Step 4: Simplify right side
    187,942.48x = 30,164,142,118.67
  5. Step 5: Solve for x
    x = 30,164,142,118.67/187,942.48
  6. Step 6: Final answer
    x = 160,496.67

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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.