Home / 260,523.30-390,846.38-207,416.06

Finding the Fourth Proportional to 260,523.30, 390,846.38 and 207,416.06

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Solution

The fourth proportional to 260,523.30, 390,846.38 and 207,416.06 is: 311,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,523.30 : 390,846.38 = 207,416.06 : x
  2. Step 2: Convert to fraction form
    260,523.30/390,846.38 = 207,416.06/x
  3. Step 3: Cross multiply
    260,523.30x = 390,846.38 × 207,416.06
  4. Step 4: Simplify right side
    260,523.30x = 81,067,816,204.86
  5. Step 5: Solve for x
    x = 81,067,816,204.86/260,523.30
  6. Step 6: Final answer
    x = 311,173.00

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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.