Home / 134,983.60-202,499.70-56,105.80

Finding the Fourth Proportional to 134,983.60, 202,499.70 and 56,105.80

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Solution

The fourth proportional to 134,983.60, 202,499.70 and 56,105.80 is: 84,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,983.60 : 202,499.70 = 56,105.80 : x
  2. Step 2: Convert to fraction form
    134,983.60/202,499.70 = 56,105.80/x
  3. Step 3: Cross multiply
    134,983.60x = 202,499.70 × 56,105.80
  4. Step 4: Simplify right side
    134,983.60x = 11,361,407,668.26
  5. Step 5: Solve for x
    x = 11,361,407,668.26/134,983.60
  6. Step 6: Final answer
    x = 84,168.80

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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.