Home / 130,831.02-196,251.26-36,068.72

Finding the Fourth Proportional to 130,831.02, 196,251.26 and 36,068.72

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Solution

The fourth proportional to 130,831.02, 196,251.26 and 36,068.72 is: 54,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,831.02 : 196,251.26 = 36,068.72 : x
  2. Step 2: Convert to fraction form
    130,831.02/196,251.26 = 36,068.72/x
  3. Step 3: Cross multiply
    130,831.02x = 196,251.26 × 36,068.72
  4. Step 4: Simplify right side
    130,831.02x = 7,078,530,584.99
  5. Step 5: Solve for x
    x = 7,078,530,584.99/130,831.02
  6. Step 6: Final answer
    x = 54,104.38

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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.