Home / 168,815.75-233,050.33-130,488.67

Finding the Fourth Proportional to 168,815.75, 233,050.33 and 130,488.67

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Solution

The fourth proportional to 168,815.75, 233,050.33 and 130,488.67 is: 180,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,815.75 : 233,050.33 = 130,488.67 : x
  2. Step 2: Convert to fraction form
    168,815.75/233,050.33 = 130,488.67/x
  3. Step 3: Cross multiply
    168,815.75x = 233,050.33 × 130,488.67
  4. Step 4: Simplify right side
    168,815.75x = 30,410,428,059.18
  5. Step 5: Solve for x
    x = 30,410,428,059.18/168,815.75
  6. Step 6: Final answer
    x = 180,139.76

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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.