Home / 239,518.14-359,178.36-81,759.30

Finding the Fourth Proportional to 239,518.14, 359,178.36 and 81,759.30

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Solution

The fourth proportional to 239,518.14, 359,178.36 and 81,759.30 is: 122,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,518.14 : 359,178.36 = 81,759.30 : x
  2. Step 2: Convert to fraction form
    239,518.14/359,178.36 = 81,759.30/x
  3. Step 3: Cross multiply
    239,518.14x = 359,178.36 × 81,759.30
  4. Step 4: Simplify right side
    239,518.14x = 29,366,171,288.75
  5. Step 5: Solve for x
    x = 29,366,171,288.75/239,518.14
  6. Step 6: Final answer
    x = 122,605.21

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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.