Home / 134,600.40-185,756.82-74,171.01

Finding the Fourth Proportional to 134,600.40, 185,756.82 and 74,171.01

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Solution

The fourth proportional to 134,600.40, 185,756.82 and 74,171.01 is: 102,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,600.40 : 185,756.82 = 74,171.01 : x
  2. Step 2: Convert to fraction form
    134,600.40/185,756.82 = 74,171.01/x
  3. Step 3: Cross multiply
    134,600.40x = 185,756.82 × 74,171.01
  4. Step 4: Simplify right side
    134,600.40x = 13,777,770,953.79
  5. Step 5: Solve for x
    x = 13,777,770,953.79/134,600.40
  6. Step 6: Final answer
    x = 102,360.55

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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.