Home / 130,624.38-196,023.78-47,518.38

Finding the Fourth Proportional to 130,624.38, 196,023.78 and 47,518.38

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Solution

The fourth proportional to 130,624.38, 196,023.78 and 47,518.38 is: 71,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.38 : 196,023.78 = 47,518.38 : x
  2. Step 2: Convert to fraction form
    130,624.38/196,023.78 = 47,518.38/x
  3. Step 3: Cross multiply
    130,624.38x = 196,023.78 × 47,518.38
  4. Step 4: Simplify right side
    130,624.38x = 9,314,732,467.08
  5. Step 5: Solve for x
    x = 9,314,732,467.08/130,624.38
  6. Step 6: Final answer
    x = 71,309.30

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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.