Home / 134,893.80-186,152.39-74,464.43

Finding the Fourth Proportional to 134,893.80, 186,152.39 and 74,464.43

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Solution

The fourth proportional to 134,893.80, 186,152.39 and 74,464.43 is: 102,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,893.80 : 186,152.39 = 74,464.43 : x
  2. Step 2: Convert to fraction form
    134,893.80/186,152.39 = 74,464.43/x
  3. Step 3: Cross multiply
    134,893.80x = 186,152.39 × 74,464.43
  4. Step 4: Simplify right side
    134,893.80x = 13,861,730,311.40
  5. Step 5: Solve for x
    x = 13,861,730,311.40/134,893.80
  6. Step 6: Final answer
    x = 102,760.32

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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.