Home / 134,473.80-185,571.33-74,043.12

Finding the Fourth Proportional to 134,473.80, 185,571.33 and 74,043.12

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Solution

The fourth proportional to 134,473.80, 185,571.33 and 74,043.12 is: 102,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,473.80 : 185,571.33 = 74,043.12 : x
  2. Step 2: Convert to fraction form
    134,473.80/185,571.33 = 74,043.12/x
  3. Step 3: Cross multiply
    134,473.80x = 185,571.33 × 74,043.12
  4. Step 4: Simplify right side
    134,473.80x = 13,740,280,255.75
  5. Step 5: Solve for x
    x = 13,740,280,255.75/134,473.80
  6. Step 6: Final answer
    x = 102,178.12

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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.