Home / 289,058.20-433,004.10-194,579.80

Finding the Fourth Proportional to 289,058.20, 433,004.10 and 194,579.80

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Solution

The fourth proportional to 289,058.20, 433,004.10 and 194,579.80 is: 291,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,058.20 : 433,004.10 = 194,579.80 : x
  2. Step 2: Convert to fraction form
    289,058.20/433,004.10 = 194,579.80/x
  3. Step 3: Cross multiply
    289,058.20x = 433,004.10 × 194,579.80
  4. Step 4: Simplify right side
    289,058.20x = 84,253,851,177.18
  5. Step 5: Solve for x
    x = 84,253,851,177.18/289,058.20
  6. Step 6: Final answer
    x = 291,477.12

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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.