Home / 134,537.90-185,661.43-74,107.14

Finding the Fourth Proportional to 134,537.90, 185,661.43 and 74,107.14

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Solution

The fourth proportional to 134,537.90, 185,661.43 and 74,107.14 is: 102,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,537.90 : 185,661.43 = 74,107.14 : x
  2. Step 2: Convert to fraction form
    134,537.90/185,661.43 = 74,107.14/x
  3. Step 3: Cross multiply
    134,537.90x = 185,661.43 × 74,107.14
  4. Step 4: Simplify right side
    134,537.90x = 13,758,836,704.11
  5. Step 5: Solve for x
    x = 13,758,836,704.11/134,537.90
  6. Step 6: Final answer
    x = 102,267.37

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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.