Home / 236,019.42-353,952.57-78,205.50

Finding the Fourth Proportional to 236,019.42, 353,952.57 and 78,205.50

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Solution

The fourth proportional to 236,019.42, 353,952.57 and 78,205.50 is: 117,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,019.42 : 353,952.57 = 78,205.50 : x
  2. Step 2: Convert to fraction form
    236,019.42/353,952.57 = 78,205.50/x
  3. Step 3: Cross multiply
    236,019.42x = 353,952.57 × 78,205.50
  4. Step 4: Simplify right side
    236,019.42x = 27,681,037,713.14
  5. Step 5: Solve for x
    x = 27,681,037,713.14/236,019.42
  6. Step 6: Final answer
    x = 117,282.88

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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.