Home / 130,792.23-196,143.12-50,811.35

Finding the Fourth Proportional to 130,792.23, 196,143.12 and 50,811.35

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Solution

The fourth proportional to 130,792.23, 196,143.12 and 50,811.35 is: 76,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,792.23 : 196,143.12 = 50,811.35 : x
  2. Step 2: Convert to fraction form
    130,792.23/196,143.12 = 50,811.35/x
  3. Step 3: Cross multiply
    130,792.23x = 196,143.12 × 50,811.35
  4. Step 4: Simplify right side
    130,792.23x = 9,966,295,739.70
  5. Step 5: Solve for x
    x = 9,966,295,739.70/130,792.23
  6. Step 6: Final answer
    x = 76,199.45

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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.