Home / 156,633.68-235,049.36-66,676.28

Finding the Fourth Proportional to 156,633.68, 235,049.36 and 66,676.28

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Solution

The fourth proportional to 156,633.68, 235,049.36 and 66,676.28 is: 100,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633.68 : 235,049.36 = 66,676.28 : x
  2. Step 2: Convert to fraction form
    156,633.68/235,049.36 = 66,676.28/x
  3. Step 3: Cross multiply
    156,633.68x = 235,049.36 × 66,676.28
  4. Step 4: Simplify right side
    156,633.68x = 15,672,216,941.18
  5. Step 5: Solve for x
    x = 15,672,216,941.18/156,633.68
  6. Step 6: Final answer
    x = 100,056.49

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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.