Home / 329,136.21-493,668.90-223,200.15

Finding the Fourth Proportional to 329,136.21, 493,668.90 and 223,200.15

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Solution

The fourth proportional to 329,136.21, 493,668.90 and 223,200.15 is: 334,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,136.21 : 493,668.90 = 223,200.15 : x
  2. Step 2: Convert to fraction form
    329,136.21/493,668.90 = 223,200.15/x
  3. Step 3: Cross multiply
    329,136.21x = 493,668.90 × 223,200.15
  4. Step 4: Simplify right side
    329,136.21x = 110,186,972,530.34
  5. Step 5: Solve for x
    x = 110,186,972,530.34/329,136.21
  6. Step 6: Final answer
    x = 334,776.21

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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.