Home / 116,708.20-174,831.90-69,821.80

Finding the Fourth Proportional to 116,708.20, 174,831.90 and 69,821.80

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Solution

The fourth proportional to 116,708.20, 174,831.90 and 69,821.80 is: 104,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,708.20 : 174,831.90 = 69,821.80 : x
  2. Step 2: Convert to fraction form
    116,708.20/174,831.90 = 69,821.80/x
  3. Step 3: Cross multiply
    116,708.20x = 174,831.90 × 69,821.80
  4. Step 4: Simplify right side
    116,708.20x = 12,207,077,955.42
  5. Step 5: Solve for x
    x = 12,207,077,955.42/116,708.20
  6. Step 6: Final answer
    x = 104,594.86

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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.