Home / 110,831.20-166,319.70-63,446.20

Finding the Fourth Proportional to 110,831.20, 166,319.70 and 63,446.20

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Solution

The fourth proportional to 110,831.20, 166,319.70 and 63,446.20 is: 95,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,831.20 : 166,319.70 = 63,446.20 : x
  2. Step 2: Convert to fraction form
    110,831.20/166,319.70 = 63,446.20/x
  3. Step 3: Cross multiply
    110,831.20x = 166,319.70 × 63,446.20
  4. Step 4: Simplify right side
    110,831.20x = 10,552,352,950.14
  5. Step 5: Solve for x
    x = 10,552,352,950.14/110,831.20
  6. Step 6: Final answer
    x = 95,211.03

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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.