Home / 133,222.14-183,969.32-85,558.52

Finding the Fourth Proportional to 133,222.14, 183,969.32 and 85,558.52

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Solution

The fourth proportional to 133,222.14, 183,969.32 and 85,558.52 is: 118,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,222.14 : 183,969.32 = 85,558.52 : x
  2. Step 2: Convert to fraction form
    133,222.14/183,969.32 = 85,558.52/x
  3. Step 3: Cross multiply
    133,222.14x = 183,969.32 × 85,558.52
  4. Step 4: Simplify right side
    133,222.14x = 15,740,142,776.74
  5. Step 5: Solve for x
    x = 15,740,142,776.74/133,222.14
  6. Step 6: Final answer
    x = 118,149.60

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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.