Home / 215,576.10-323,364.15-193,025.70

Finding the Fourth Proportional to 215,576.10, 323,364.15 and 193,025.70

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Solution

The fourth proportional to 215,576.10, 323,364.15 and 193,025.70 is: 289,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,576.10 : 323,364.15 = 193,025.70 : x
  2. Step 2: Convert to fraction form
    215,576.10/323,364.15 = 193,025.70/x
  3. Step 3: Cross multiply
    215,576.10x = 323,364.15 × 193,025.70
  4. Step 4: Simplify right side
    215,576.10x = 62,417,591,408.66
  5. Step 5: Solve for x
    x = 62,417,591,408.66/215,576.10
  6. Step 6: Final answer
    x = 289,538.55

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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.