Home / 134,629.84-185,788.24-74,200.52

Finding the Fourth Proportional to 134,629.84, 185,788.24 and 74,200.52

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Solution

The fourth proportional to 134,629.84, 185,788.24 and 74,200.52 is: 102,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,629.84 : 185,788.24 = 74,200.52 : x
  2. Step 2: Convert to fraction form
    134,629.84/185,788.24 = 74,200.52/x
  3. Step 3: Cross multiply
    134,629.84x = 185,788.24 × 74,200.52
  4. Step 4: Simplify right side
    134,629.84x = 13,785,584,017.88
  5. Step 5: Solve for x
    x = 13,785,584,017.88/134,629.84
  6. Step 6: Final answer
    x = 102,396.20

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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.