Home / 116,110.60-160,250.46-65,143.96

Finding the Fourth Proportional to 116,110.60, 160,250.46 and 65,143.96

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Solution

The fourth proportional to 116,110.60, 160,250.46 and 65,143.96 is: 89,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,110.60 : 160,250.46 = 65,143.96 : x
  2. Step 2: Convert to fraction form
    116,110.60/160,250.46 = 65,143.96/x
  3. Step 3: Cross multiply
    116,110.60x = 160,250.46 × 65,143.96
  4. Step 4: Simplify right side
    116,110.60x = 10,439,349,556.22
  5. Step 5: Solve for x
    x = 10,439,349,556.22/116,110.60
  6. Step 6: Final answer
    x = 89,908.67

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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.