Home / 133,222.38-183,969.67-85,558.77

Finding the Fourth Proportional to 133,222.38, 183,969.67 and 85,558.77

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Solution

The fourth proportional to 133,222.38, 183,969.67 and 85,558.77 is: 118,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,222.38 : 183,969.67 = 85,558.77 : x
  2. Step 2: Convert to fraction form
    133,222.38/183,969.67 = 85,558.77/x
  3. Step 3: Cross multiply
    133,222.38x = 183,969.67 × 85,558.77
  4. Step 4: Simplify right side
    133,222.38x = 15,740,218,250.01
  5. Step 5: Solve for x
    x = 15,740,218,250.01/133,222.38
  6. Step 6: Final answer
    x = 118,149.95

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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.