Home / 219,136.74-329,487.57-201,815.70

Finding the Fourth Proportional to 219,136.74, 329,487.57 and 201,815.70

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Solution

The fourth proportional to 219,136.74, 329,487.57 and 201,815.70 is: 303,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,136.74 : 329,487.57 = 201,815.70 : x
  2. Step 2: Convert to fraction form
    219,136.74/329,487.57 = 201,815.70/x
  3. Step 3: Cross multiply
    219,136.74x = 329,487.57 × 201,815.70
  4. Step 4: Simplify right side
    219,136.74x = 66,495,764,580.85
  5. Step 5: Solve for x
    x = 66,495,764,580.85/219,136.74
  6. Step 6: Final answer
    x = 303,444.16

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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.