Home / 142,859.24-214,315.10-116,439.60

Finding the Fourth Proportional to 142,859.24, 214,315.10 and 116,439.60

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Solution

The fourth proportional to 142,859.24, 214,315.10 and 116,439.60 is: 174,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,859.24 : 214,315.10 = 116,439.60 : x
  2. Step 2: Convert to fraction form
    142,859.24/214,315.10 = 116,439.60/x
  3. Step 3: Cross multiply
    142,859.24x = 214,315.10 × 116,439.60
  4. Step 4: Simplify right side
    142,859.24x = 24,954,763,132.08
  5. Step 5: Solve for x
    x = 24,954,763,132.08/142,859.24
  6. Step 6: Final answer
    x = 174,680.78

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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.