Home / 133,196.05-183,814.16-79,512.23

Finding the Fourth Proportional to 133,196.05, 183,814.16 and 79,512.23

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Solution

The fourth proportional to 133,196.05, 183,814.16 and 79,512.23 is: 109,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,196.05 : 183,814.16 = 79,512.23 : x
  2. Step 2: Convert to fraction form
    133,196.05/183,814.16 = 79,512.23/x
  3. Step 3: Cross multiply
    133,196.05x = 183,814.16 × 79,512.23
  4. Step 4: Simplify right side
    133,196.05x = 14,615,472,450.54
  5. Step 5: Solve for x
    x = 14,615,472,450.54/133,196.05
  6. Step 6: Final answer
    x = 109,729.02

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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.