Home / 114,914.60-171,983.10-100,917.80

Finding the Fourth Proportional to 114,914.60, 171,983.10 and 100,917.80

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Solution

The fourth proportional to 114,914.60, 171,983.10 and 100,917.80 is: 151,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,914.60 : 171,983.10 = 100,917.80 : x
  2. Step 2: Convert to fraction form
    114,914.60/171,983.10 = 100,917.80/x
  3. Step 3: Cross multiply
    114,914.60x = 171,983.10 × 100,917.80
  4. Step 4: Simplify right side
    114,914.60x = 17,356,156,089.18
  5. Step 5: Solve for x
    x = 17,356,156,089.18/114,914.60
  6. Step 6: Final answer
    x = 151,035.26

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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.