Home / 156,244.94-215,558.58-115,506.90

Finding the Fourth Proportional to 156,244.94, 215,558.58 and 115,506.90

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Solution

The fourth proportional to 156,244.94, 215,558.58 and 115,506.90 is: 159,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,244.94 : 215,558.58 = 115,506.90 : x
  2. Step 2: Convert to fraction form
    156,244.94/215,558.58 = 115,506.90/x
  3. Step 3: Cross multiply
    156,244.94x = 215,558.58 × 115,506.90
  4. Step 4: Simplify right side
    156,244.94x = 24,898,503,344.20
  5. Step 5: Solve for x
    x = 24,898,503,344.20/156,244.94
  6. Step 6: Final answer
    x = 159,355.58

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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.