Home / 215,728.46-323,759.78-173,711.44

Finding the Fourth Proportional to 215,728.46, 323,759.78 and 173,711.44

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Solution

The fourth proportional to 215,728.46, 323,759.78 and 173,711.44 is: 260,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,728.46 : 323,759.78 = 173,711.44 : x
  2. Step 2: Convert to fraction form
    215,728.46/323,759.78 = 173,711.44/x
  3. Step 3: Cross multiply
    215,728.46x = 323,759.78 × 173,711.44
  4. Step 4: Simplify right side
    215,728.46x = 56,240,776,941.42
  5. Step 5: Solve for x
    x = 56,240,776,941.42/215,728.46
  6. Step 6: Final answer
    x = 260,701.70

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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.