Home / 259,318.48-389,125.26-207,060.04

Finding the Fourth Proportional to 259,318.48, 389,125.26 and 207,060.04

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Solution

The fourth proportional to 259,318.48, 389,125.26 and 207,060.04 is: 310,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,318.48 : 389,125.26 = 207,060.04 : x
  2. Step 2: Convert to fraction form
    259,318.48/389,125.26 = 207,060.04/x
  3. Step 3: Cross multiply
    259,318.48x = 389,125.26 × 207,060.04
  4. Step 4: Simplify right side
    259,318.48x = 80,572,291,900.61
  5. Step 5: Solve for x
    x = 80,572,291,900.61/259,318.48
  6. Step 6: Final answer
    x = 310,707.87

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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.