Home / 289,269.04-399,231.03-174,553.60

Finding the Fourth Proportional to 289,269.04, 399,231.03 and 174,553.60

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Solution

The fourth proportional to 289,269.04, 399,231.03 and 174,553.60 is: 240,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,269.04 : 399,231.03 = 174,553.60 : x
  2. Step 2: Convert to fraction form
    289,269.04/399,231.03 = 174,553.60/x
  3. Step 3: Cross multiply
    289,269.04x = 399,231.03 × 174,553.60
  4. Step 4: Simplify right side
    289,269.04x = 69,687,213,518.21
  5. Step 5: Solve for x
    x = 69,687,213,518.21/289,269.04
  6. Step 6: Final answer
    x = 240,907.96

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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.