Home / 168,942.09-233,117.04-100,944.69

Finding the Fourth Proportional to 168,942.09, 233,117.04 and 100,944.69

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Solution

The fourth proportional to 168,942.09, 233,117.04 and 100,944.69 is: 139,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,942.09 : 233,117.04 = 100,944.69 : x
  2. Step 2: Convert to fraction form
    168,942.09/233,117.04 = 100,944.69/x
  3. Step 3: Cross multiply
    168,942.09x = 233,117.04 × 100,944.69
  4. Step 4: Simplify right side
    168,942.09x = 23,531,927,336.52
  5. Step 5: Solve for x
    x = 23,531,927,336.52/168,942.09
  6. Step 6: Final answer
    x = 139,289.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.