Home / 134,078.84-201,202.96-74,953.30

Finding the Fourth Proportional to 134,078.84, 201,202.96 and 74,953.30

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Solution

The fourth proportional to 134,078.84, 201,202.96 and 74,953.30 is: 112,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,078.84 : 201,202.96 = 74,953.30 : x
  2. Step 2: Convert to fraction form
    134,078.84/201,202.96 = 74,953.30/x
  3. Step 3: Cross multiply
    134,078.84x = 201,202.96 × 74,953.30
  4. Step 4: Simplify right side
    134,078.84x = 15,080,825,821.77
  5. Step 5: Solve for x
    x = 15,080,825,821.77/134,078.84
  6. Step 6: Final answer
    x = 112,477.30

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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.