Home / 259,678.16-389,517.24-62,686.16

Finding the Fourth Proportional to 259,678.16, 389,517.24 and 62,686.16

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Solution

The fourth proportional to 259,678.16, 389,517.24 and 62,686.16 is: 94,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,678.16 : 389,517.24 = 62,686.16 : x
  2. Step 2: Convert to fraction form
    259,678.16/389,517.24 = 62,686.16/x
  3. Step 3: Cross multiply
    259,678.16x = 389,517.24 × 62,686.16
  4. Step 4: Simplify right side
    259,678.16x = 24,417,340,029.40
  5. Step 5: Solve for x
    x = 24,417,340,029.40/259,678.16
  6. Step 6: Final answer
    x = 94,029.24

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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.