Home / 112,462.91-168,049.68-85,660.01

Finding the Fourth Proportional to 112,462.91, 168,049.68 and 85,660.01

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Solution

The fourth proportional to 112,462.91, 168,049.68 and 85,660.01 is: 127,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,462.91 : 168,049.68 = 85,660.01 : x
  2. Step 2: Convert to fraction form
    112,462.91/168,049.68 = 85,660.01/x
  3. Step 3: Cross multiply
    112,462.91x = 168,049.68 × 85,660.01
  4. Step 4: Simplify right side
    112,462.91x = 14,395,137,269.30
  5. Step 5: Solve for x
    x = 14,395,137,269.30/112,462.91
  6. Step 6: Final answer
    x = 127,998.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.