Home / 131,025.88-196,703.34-109,107.64

Finding the Fourth Proportional to 131,025.88, 196,703.34 and 109,107.64

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Solution

The fourth proportional to 131,025.88, 196,703.34 and 109,107.64 is: 163,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,025.88 : 196,703.34 = 109,107.64 : x
  2. Step 2: Convert to fraction form
    131,025.88/196,703.34 = 109,107.64/x
  3. Step 3: Cross multiply
    131,025.88x = 196,703.34 × 109,107.64
  4. Step 4: Simplify right side
    131,025.88x = 21,461,837,207.52
  5. Step 5: Solve for x
    x = 21,461,837,207.52/131,025.88
  6. Step 6: Final answer
    x = 163,798.46

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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.