Home / 168,971.42-233,164.73-100,974.85

Finding the Fourth Proportional to 168,971.42, 233,164.73 and 100,974.85

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Solution

The fourth proportional to 168,971.42, 233,164.73 and 100,974.85 is: 139,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,971.42 : 233,164.73 = 100,974.85 : x
  2. Step 2: Convert to fraction form
    168,971.42/233,164.73 = 100,974.85/x
  3. Step 3: Cross multiply
    168,971.42x = 233,164.73 × 100,974.85
  4. Step 4: Simplify right side
    168,971.42x = 23,543,774,050.13
  5. Step 5: Solve for x
    x = 23,543,774,050.13/168,971.42
  6. Step 6: Final answer
    x = 139,335.84

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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.