Home / 134,478.30-185,581.44-74,054.56

Finding the Fourth Proportional to 134,478.30, 185,581.44 and 74,054.56

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Solution

The fourth proportional to 134,478.30, 185,581.44 and 74,054.56 is: 102,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,478.30 : 185,581.44 = 74,054.56 : x
  2. Step 2: Convert to fraction form
    134,478.30/185,581.44 = 74,054.56/x
  3. Step 3: Cross multiply
    134,478.30x = 185,581.44 × 74,054.56
  4. Step 4: Simplify right side
    134,478.30x = 13,743,151,883.37
  5. Step 5: Solve for x
    x = 13,743,151,883.37/134,478.30
  6. Step 6: Final answer
    x = 102,196.06

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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.