Home / 146,218.34-201,781.34-79,150.34

Finding the Fourth Proportional to 146,218.34, 201,781.34 and 79,150.34

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Solution

The fourth proportional to 146,218.34, 201,781.34 and 79,150.34 is: 109,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,218.34 : 201,781.34 = 79,150.34 : x
  2. Step 2: Convert to fraction form
    146,218.34/201,781.34 = 79,150.34/x
  3. Step 3: Cross multiply
    146,218.34x = 201,781.34 × 79,150.34
  4. Step 4: Simplify right side
    146,218.34x = 15,971,060,558.81
  5. Step 5: Solve for x
    x = 15,971,060,558.81/146,218.34
  6. Step 6: Final answer
    x = 109,227.48

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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.