Home / 156,992.08-216,644.50-89,015.56

Finding the Fourth Proportional to 156,992.08, 216,644.50 and 89,015.56

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Solution

The fourth proportional to 156,992.08, 216,644.50 and 89,015.56 is: 122,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,992.08 : 216,644.50 = 89,015.56 : x
  2. Step 2: Convert to fraction form
    156,992.08/216,644.50 = 89,015.56/x
  3. Step 3: Cross multiply
    156,992.08x = 216,644.50 × 89,015.56
  4. Step 4: Simplify right side
    156,992.08x = 19,284,731,488.42
  5. Step 5: Solve for x
    x = 19,284,731,488.42/156,992.08
  6. Step 6: Final answer
    x = 122,838.88

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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.