Home / 289,937.20-434,322.60-195,458.80

Finding the Fourth Proportional to 289,937.20, 434,322.60 and 195,458.80

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Solution

The fourth proportional to 289,937.20, 434,322.60 and 195,458.80 is: 292,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,937.20 : 434,322.60 = 195,458.80 : x
  2. Step 2: Convert to fraction form
    289,937.20/434,322.60 = 195,458.80/x
  3. Step 3: Cross multiply
    289,937.20x = 434,322.60 × 195,458.80
  4. Step 4: Simplify right side
    289,937.20x = 84,892,174,208.88
  5. Step 5: Solve for x
    x = 84,892,174,208.88/289,937.20
  6. Step 6: Final answer
    x = 292,795.04

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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.