Home / 143,903.52-198,620.64-96,176.16

Finding the Fourth Proportional to 143,903.52, 198,620.64 and 96,176.16

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Solution

The fourth proportional to 143,903.52, 198,620.64 and 96,176.16 is: 132,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,903.52 : 198,620.64 = 96,176.16 : x
  2. Step 2: Convert to fraction form
    143,903.52/198,620.64 = 96,176.16/x
  3. Step 3: Cross multiply
    143,903.52x = 198,620.64 × 96,176.16
  4. Step 4: Simplify right side
    143,903.52x = 19,102,570,451.94
  5. Step 5: Solve for x
    x = 19,102,570,451.94/143,903.52
  6. Step 6: Final answer
    x = 132,745.68

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1.5x scale

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.