Home / 134,137.60-201,078.40-49,875.20

Finding the Fourth Proportional to 134,137.60, 201,078.40 and 49,875.20

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Solution

The fourth proportional to 134,137.60, 201,078.40 and 49,875.20 is: 74,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,137.60 : 201,078.40 = 49,875.20 : x
  2. Step 2: Convert to fraction form
    134,137.60/201,078.40 = 49,875.20/x
  3. Step 3: Cross multiply
    134,137.60x = 201,078.40 × 49,875.20
  4. Step 4: Simplify right side
    134,137.60x = 10,028,825,415.68
  5. Step 5: Solve for x
    x = 10,028,825,415.68/134,137.60
  6. Step 6: Final answer
    x = 74,765.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.