Home / 136,197.68-204,329.24-42,703.44

Finding the Fourth Proportional to 136,197.68, 204,329.24 and 42,703.44

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Solution

The fourth proportional to 136,197.68, 204,329.24 and 42,703.44 is: 64,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,197.68 : 204,329.24 = 42,703.44 : x
  2. Step 2: Convert to fraction form
    136,197.68/204,329.24 = 42,703.44/x
  3. Step 3: Cross multiply
    136,197.68x = 204,329.24 × 42,703.44
  4. Step 4: Simplify right side
    136,197.68x = 8,725,561,440.59
  5. Step 5: Solve for x
    x = 8,725,561,440.59/136,197.68
  6. Step 6: Final answer
    x = 64,065.42

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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.