Home / 134,716.82-185,919.81-74,292.98

Finding the Fourth Proportional to 134,716.82, 185,919.81 and 74,292.98

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Solution

The fourth proportional to 134,716.82, 185,919.81 and 74,292.98 is: 102,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,716.82 : 185,919.81 = 74,292.98 : x
  2. Step 2: Convert to fraction form
    134,716.82/185,919.81 = 74,292.98/x
  3. Step 3: Cross multiply
    134,716.82x = 185,919.81 × 74,292.98
  4. Step 4: Simplify right side
    134,716.82x = 13,812,536,725.93
  5. Step 5: Solve for x
    x = 13,812,536,725.93/134,716.82
  6. Step 6: Final answer
    x = 102,530.16

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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.