Home / 218,713.24-328,069.83-52,501.24

Finding the Fourth Proportional to 218,713.24, 328,069.83 and 52,501.24

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Solution

The fourth proportional to 218,713.24, 328,069.83 and 52,501.24 is: 78,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,713.24 : 328,069.83 = 52,501.24 : x
  2. Step 2: Convert to fraction form
    218,713.24/328,069.83 = 52,501.24/x
  3. Step 3: Cross multiply
    218,713.24x = 328,069.83 × 52,501.24
  4. Step 4: Simplify right side
    218,713.24x = 17,224,071,241.24
  5. Step 5: Solve for x
    x = 17,224,071,241.24/218,713.24
  6. Step 6: Final answer
    x = 78,751.85

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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.