Home / 134,858.72-186,175.02-98,519.39

Finding the Fourth Proportional to 134,858.72, 186,175.02 and 98,519.39

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Solution

The fourth proportional to 134,858.72, 186,175.02 and 98,519.39 is: 136,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858.72 : 186,175.02 = 98,519.39 : x
  2. Step 2: Convert to fraction form
    134,858.72/186,175.02 = 98,519.39/x
  3. Step 3: Cross multiply
    134,858.72x = 186,175.02 × 98,519.39
  4. Step 4: Simplify right side
    134,858.72x = 18,341,849,540.37
  5. Step 5: Solve for x
    x = 18,341,849,540.37/134,858.72
  6. Step 6: Final answer
    x = 136,007.88

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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.