Home / 134,157.96-185,055.66-79,673.10

Finding the Fourth Proportional to 134,157.96, 185,055.66 and 79,673.10

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Solution

The fourth proportional to 134,157.96, 185,055.66 and 79,673.10 is: 109,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,157.96 : 185,055.66 = 79,673.10 : x
  2. Step 2: Convert to fraction form
    134,157.96/185,055.66 = 79,673.10/x
  3. Step 3: Cross multiply
    134,157.96x = 185,055.66 × 79,673.10
  4. Step 4: Simplify right side
    134,157.96x = 14,743,958,104.75
  5. Step 5: Solve for x
    x = 14,743,958,104.75/134,157.96
  6. Step 6: Final answer
    x = 109,899.99

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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.