Home / 130,048.20-195,023.70-51,146.10

Finding the Fourth Proportional to 130,048.20, 195,023.70 and 51,146.10

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Solution

The fourth proportional to 130,048.20, 195,023.70 and 51,146.10 is: 76,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.20 : 195,023.70 = 51,146.10 : x
  2. Step 2: Convert to fraction form
    130,048.20/195,023.70 = 51,146.10/x
  3. Step 3: Cross multiply
    130,048.20x = 195,023.70 × 51,146.10
  4. Step 4: Simplify right side
    130,048.20x = 9,974,701,662.57
  5. Step 5: Solve for x
    x = 9,974,701,662.57/130,048.20
  6. Step 6: Final answer
    x = 76,700.04

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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.