Home / 134,136.25-185,107.95-73,710.79

Finding the Fourth Proportional to 134,136.25, 185,107.95 and 73,710.79

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Solution

The fourth proportional to 134,136.25, 185,107.95 and 73,710.79 is: 101,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136.25 : 185,107.95 = 73,710.79 : x
  2. Step 2: Convert to fraction form
    134,136.25/185,107.95 = 73,710.79/x
  3. Step 3: Cross multiply
    134,136.25x = 185,107.95 × 73,710.79
  4. Step 4: Simplify right side
    134,136.25x = 13,644,452,767.01
  5. Step 5: Solve for x
    x = 13,644,452,767.01/134,136.25
  6. Step 6: Final answer
    x = 101,720.85

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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.