Home / 134,505.06-185,618.25-74,077.56

Finding the Fourth Proportional to 134,505.06, 185,618.25 and 74,077.56

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Solution

The fourth proportional to 134,505.06, 185,618.25 and 74,077.56 is: 102,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,505.06 : 185,618.25 = 74,077.56 : x
  2. Step 2: Convert to fraction form
    134,505.06/185,618.25 = 74,077.56/x
  3. Step 3: Cross multiply
    134,505.06x = 185,618.25 × 74,077.56
  4. Step 4: Simplify right side
    134,505.06x = 13,750,147,051.47
  5. Step 5: Solve for x
    x = 13,750,147,051.47/134,505.06
  6. Step 6: Final answer
    x = 102,227.73

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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.