Home / 134,825.28-186,050.52-74,396.40

Finding the Fourth Proportional to 134,825.28, 186,050.52 and 74,396.40

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Solution

The fourth proportional to 134,825.28, 186,050.52 and 74,396.40 is: 102,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,825.28 : 186,050.52 = 74,396.40 : x
  2. Step 2: Convert to fraction form
    134,825.28/186,050.52 = 74,396.40/x
  3. Step 3: Cross multiply
    134,825.28x = 186,050.52 × 74,396.40
  4. Step 4: Simplify right side
    134,825.28x = 13,841,488,906.13
  5. Step 5: Solve for x
    x = 13,841,488,906.13/134,825.28
  6. Step 6: Final answer
    x = 102,662.42

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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.