Home / 289,388.20-433,499.10-164,583.40

Finding the Fourth Proportional to 289,388.20, 433,499.10 and 164,583.40

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Solution

The fourth proportional to 289,388.20, 433,499.10 and 164,583.40 is: 246,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,388.20 : 433,499.10 = 164,583.40 : x
  2. Step 2: Convert to fraction form
    289,388.20/433,499.10 = 164,583.40/x
  3. Step 3: Cross multiply
    289,388.20x = 433,499.10 × 164,583.40
  4. Step 4: Simplify right side
    289,388.20x = 71,346,755,774.94
  5. Step 5: Solve for x
    x = 71,346,755,774.94/289,388.20
  6. Step 6: Final answer
    x = 246,543.42

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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.