Home / 289,232.04-399,136.14-161,907.48

Finding the Fourth Proportional to 289,232.04, 399,136.14 and 161,907.48

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Solution

The fourth proportional to 289,232.04, 399,136.14 and 161,907.48 is: 223,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,232.04 : 399,136.14 = 161,907.48 : x
  2. Step 2: Convert to fraction form
    289,232.04/399,136.14 = 161,907.48/x
  3. Step 3: Cross multiply
    289,232.04x = 399,136.14 × 161,907.48
  4. Step 4: Simplify right side
    289,232.04x = 64,623,126,604.33
  5. Step 5: Solve for x
    x = 64,623,126,604.33/289,232.04
  6. Step 6: Final answer
    x = 223,430.04

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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.