Home / 134,915.24-186,182.04-74,485.88

Finding the Fourth Proportional to 134,915.24, 186,182.04 and 74,485.88

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Solution

The fourth proportional to 134,915.24, 186,182.04 and 74,485.88 is: 102,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,915.24 : 186,182.04 = 74,485.88 : x
  2. Step 2: Convert to fraction form
    134,915.24/186,182.04 = 74,485.88/x
  3. Step 3: Cross multiply
    134,915.24x = 186,182.04 × 74,485.88
  4. Step 4: Simplify right side
    134,915.24x = 13,867,933,089.60
  5. Step 5: Solve for x
    x = 13,867,933,089.60/134,915.24
  6. Step 6: Final answer
    x = 102,789.97

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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.