Home / 131,078.64-196,585.39-56,190.30

Finding the Fourth Proportional to 131,078.64, 196,585.39 and 56,190.30

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Solution

The fourth proportional to 131,078.64, 196,585.39 and 56,190.30 is: 84,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,078.64 : 196,585.39 = 56,190.30 : x
  2. Step 2: Convert to fraction form
    131,078.64/196,585.39 = 56,190.30/x
  3. Step 3: Cross multiply
    131,078.64x = 196,585.39 × 56,190.30
  4. Step 4: Simplify right side
    131,078.64x = 11,046,192,039.72
  5. Step 5: Solve for x
    x = 11,046,192,039.72/131,078.64
  6. Step 6: Final answer
    x = 84,271.49

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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.