Home / 163,517.15-225,658.79-98,998.22

Finding the Fourth Proportional to 163,517.15, 225,658.79 and 98,998.22

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Solution

The fourth proportional to 163,517.15, 225,658.79 and 98,998.22 is: 136,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,517.15 : 225,658.79 = 98,998.22 : x
  2. Step 2: Convert to fraction form
    163,517.15/225,658.79 = 98,998.22/x
  3. Step 3: Cross multiply
    163,517.15x = 225,658.79 × 98,998.22
  4. Step 4: Simplify right side
    163,517.15x = 22,339,818,289.86
  5. Step 5: Solve for x
    x = 22,339,818,289.86/163,517.15
  6. Step 6: Final answer
    x = 136,620.64

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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.