Home / 168,936.25-233,108.96-100,938.77

Finding the Fourth Proportional to 168,936.25, 233,108.96 and 100,938.77

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Solution

The fourth proportional to 168,936.25, 233,108.96 and 100,938.77 is: 139,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,936.25 : 233,108.96 = 100,938.77 : x
  2. Step 2: Convert to fraction form
    168,936.25/233,108.96 = 100,938.77/x
  3. Step 3: Cross multiply
    168,936.25x = 233,108.96 × 100,938.77
  4. Step 4: Simplify right side
    168,936.25x = 23,529,732,533.50
  5. Step 5: Solve for x
    x = 23,529,732,533.50/168,936.25
  6. Step 6: Final answer
    x = 139,281.73

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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.