Home / 154,324.68-231,485.37-117,113.28

Finding the Fourth Proportional to 154,324.68, 231,485.37 and 117,113.28

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Solution

The fourth proportional to 154,324.68, 231,485.37 and 117,113.28 is: 175,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,324.68 : 231,485.37 = 117,113.28 : x
  2. Step 2: Convert to fraction form
    154,324.68/231,485.37 = 117,113.28/x
  3. Step 3: Cross multiply
    154,324.68x = 231,485.37 × 117,113.28
  4. Step 4: Simplify right side
    154,324.68x = 27,110,010,952.71
  5. Step 5: Solve for x
    x = 27,110,010,952.71/154,324.68
  6. Step 6: Final answer
    x = 175,668.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.