Home / 132,907.24-198,513.64-120,237.60

Finding the Fourth Proportional to 132,907.24, 198,513.64 and 120,237.60

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Solution

The fourth proportional to 132,907.24, 198,513.64 and 120,237.60 is: 179,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,907.24 : 198,513.64 = 120,237.60 : x
  2. Step 2: Convert to fraction form
    132,907.24/198,513.64 = 120,237.60/x
  3. Step 3: Cross multiply
    132,907.24x = 198,513.64 × 120,237.60
  4. Step 4: Simplify right side
    132,907.24x = 23,868,803,640.86
  5. Step 5: Solve for x
    x = 23,868,803,640.86/132,907.24
  6. Step 6: Final answer
    x = 179,589.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.