Home / 130,624.38-196,379.48-104,306.57

Finding the Fourth Proportional to 130,624.38, 196,379.48 and 104,306.57

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Solution

The fourth proportional to 130,624.38, 196,379.48 and 104,306.57 is: 156,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.38 : 196,379.48 = 104,306.57 : x
  2. Step 2: Convert to fraction form
    130,624.38/196,379.48 = 104,306.57/x
  3. Step 3: Cross multiply
    130,624.38x = 196,379.48 × 104,306.57
  4. Step 4: Simplify right side
    130,624.38x = 20,483,668,995.29
  5. Step 5: Solve for x
    x = 20,483,668,995.29/130,624.38
  6. Step 6: Final answer
    x = 156,813.53

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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.