Home / 134,630.25-185,782.14-74,200.69

Finding the Fourth Proportional to 134,630.25, 185,782.14 and 74,200.69

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Solution

The fourth proportional to 134,630.25, 185,782.14 and 74,200.69 is: 102,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,630.25 : 185,782.14 = 74,200.69 : x
  2. Step 2: Convert to fraction form
    134,630.25/185,782.14 = 74,200.69/x
  3. Step 3: Cross multiply
    134,630.25x = 185,782.14 × 74,200.69
  4. Step 4: Simplify right side
    134,630.25x = 13,785,162,977.68
  5. Step 5: Solve for x
    x = 13,785,162,977.68/134,630.25
  6. Step 6: Final answer
    x = 102,392.76

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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.