Home / 133,059.46-183,622.66-72,631.44

Finding the Fourth Proportional to 133,059.46, 183,622.66 and 72,631.44

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Solution

The fourth proportional to 133,059.46, 183,622.66 and 72,631.44 is: 100,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059.46 : 183,622.66 = 72,631.44 : x
  2. Step 2: Convert to fraction form
    133,059.46/183,622.66 = 72,631.44/x
  3. Step 3: Cross multiply
    133,059.46x = 183,622.66 × 72,631.44
  4. Step 4: Simplify right side
    133,059.46x = 13,336,778,212.43
  5. Step 5: Solve for x
    x = 13,336,778,212.43/133,059.46
  6. Step 6: Final answer
    x = 100,231.72

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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.