Home / 189,481.89-284,222.85-56,364.06

Finding the Fourth Proportional to 189,481.89, 284,222.85 and 56,364.06

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Solution

The fourth proportional to 189,481.89, 284,222.85 and 56,364.06 is: 84,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,481.89 : 284,222.85 = 56,364.06 : x
  2. Step 2: Convert to fraction form
    189,481.89/284,222.85 = 56,364.06/x
  3. Step 3: Cross multiply
    189,481.89x = 284,222.85 × 56,364.06
  4. Step 4: Simplify right side
    189,481.89x = 16,019,953,770.77
  5. Step 5: Solve for x
    x = 16,019,953,770.77/189,481.89
  6. Step 6: Final answer
    x = 84,546.09

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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.