Home / 156,676.50-216,190.74-89,595.54

Finding the Fourth Proportional to 156,676.50, 216,190.74 and 89,595.54

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Solution

The fourth proportional to 156,676.50, 216,190.74 and 89,595.54 is: 123,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,676.50 : 216,190.74 = 89,595.54 : x
  2. Step 2: Convert to fraction form
    156,676.50/216,190.74 = 89,595.54/x
  3. Step 3: Cross multiply
    156,676.50x = 216,190.74 × 89,595.54
  4. Step 4: Simplify right side
    156,676.50x = 19,369,726,093.30
  5. Step 5: Solve for x
    x = 19,369,726,093.30/156,676.50
  6. Step 6: Final answer
    x = 123,628.79

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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.