Home / 131,216.58-196,658.64-83,813.46

Finding the Fourth Proportional to 131,216.58, 196,658.64 and 83,813.46

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Solution

The fourth proportional to 131,216.58, 196,658.64 and 83,813.46 is: 125,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,216.58 : 196,658.64 = 83,813.46 : x
  2. Step 2: Convert to fraction form
    131,216.58/196,658.64 = 83,813.46/x
  3. Step 3: Cross multiply
    131,216.58x = 196,658.64 × 83,813.46
  4. Step 4: Simplify right side
    131,216.58x = 16,482,641,057.29
  5. Step 5: Solve for x
    x = 16,482,641,057.29/131,216.58
  6. Step 6: Final answer
    x = 125,614.01

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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.