Home / 134,484.62-185,589.99-74,055.51

Finding the Fourth Proportional to 134,484.62, 185,589.99 and 74,055.51

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Solution

The fourth proportional to 134,484.62, 185,589.99 and 74,055.51 is: 102,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,484.62 : 185,589.99 = 74,055.51 : x
  2. Step 2: Convert to fraction form
    134,484.62/185,589.99 = 74,055.51/x
  3. Step 3: Cross multiply
    134,484.62x = 185,589.99 × 74,055.51
  4. Step 4: Simplify right side
    134,484.62x = 13,743,961,360.34
  5. Step 5: Solve for x
    x = 13,743,961,360.34/134,484.62
  6. Step 6: Final answer
    x = 102,197.27

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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.