Home / 115,650.40-173,313.60-91,998.40

Finding the Fourth Proportional to 115,650.40, 173,313.60 and 91,998.40

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Solution

The fourth proportional to 115,650.40, 173,313.60 and 91,998.40 is: 137,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,650.40 : 173,313.60 = 91,998.40 : x
  2. Step 2: Convert to fraction form
    115,650.40/173,313.60 = 91,998.40/x
  3. Step 3: Cross multiply
    115,650.40x = 173,313.60 × 91,998.40
  4. Step 4: Simplify right side
    115,650.40x = 15,944,573,898.24
  5. Step 5: Solve for x
    x = 15,944,573,898.24/115,650.40
  6. Step 6: Final answer
    x = 137,868.73

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1.5x scale

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.