Home / 114,929.60-172,005.60-100,932.80

Finding the Fourth Proportional to 114,929.60, 172,005.60 and 100,932.80

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Solution

The fourth proportional to 114,929.60, 172,005.60 and 100,932.80 is: 151,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,929.60 : 172,005.60 = 100,932.80 : x
  2. Step 2: Convert to fraction form
    114,929.60/172,005.60 = 100,932.80/x
  3. Step 3: Cross multiply
    114,929.60x = 172,005.60 × 100,932.80
  4. Step 4: Simplify right side
    114,929.60x = 17,361,006,823.68
  5. Step 5: Solve for x
    x = 17,361,006,823.68/114,929.60
  6. Step 6: Final answer
    x = 151,057.75

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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.