Home / 218,667.89-328,000.52-56,561.94

Finding the Fourth Proportional to 218,667.89, 328,000.52 and 56,561.94

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Solution

The fourth proportional to 218,667.89, 328,000.52 and 56,561.94 is: 84,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,667.89 : 328,000.52 = 56,561.94 : x
  2. Step 2: Convert to fraction form
    218,667.89/328,000.52 = 56,561.94/x
  3. Step 3: Cross multiply
    218,667.89x = 328,000.52 × 56,561.94
  4. Step 4: Simplify right side
    218,667.89x = 18,552,345,873.61
  5. Step 5: Solve for x
    x = 18,552,345,873.61/218,667.89
  6. Step 6: Final answer
    x = 84,842.57

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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.