Home / 350,780.24-484,075.28-189,635.24

Finding the Fourth Proportional to 350,780.24, 484,075.28 and 189,635.24

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Solution

The fourth proportional to 350,780.24, 484,075.28 and 189,635.24 is: 261,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,780.24 : 484,075.28 = 189,635.24 : x
  2. Step 2: Convert to fraction form
    350,780.24/484,075.28 = 189,635.24/x
  3. Step 3: Cross multiply
    350,780.24x = 484,075.28 × 189,635.24
  4. Step 4: Simplify right side
    350,780.24x = 91,797,731,900.87
  5. Step 5: Solve for x
    x = 91,797,731,900.87/350,780.24
  6. Step 6: Final answer
    x = 261,695.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.