Home / 149,596.08-206,443.17-81,614.58

Finding the Fourth Proportional to 149,596.08, 206,443.17 and 81,614.58

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Solution

The fourth proportional to 149,596.08, 206,443.17 and 81,614.58 is: 112,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,596.08 : 206,443.17 = 81,614.58 : x
  2. Step 2: Convert to fraction form
    149,596.08/206,443.17 = 81,614.58/x
  3. Step 3: Cross multiply
    149,596.08x = 206,443.17 × 81,614.58
  4. Step 4: Simplify right side
    149,596.08x = 16,848,772,613.42
  5. Step 5: Solve for x
    x = 16,848,772,613.42/149,596.08
  6. Step 6: Final answer
    x = 112,628.44

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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.