Home / 133,515.54-184,252.56-76,157.76

Finding the Fourth Proportional to 133,515.54, 184,252.56 and 76,157.76

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Solution

The fourth proportional to 133,515.54, 184,252.56 and 76,157.76 is: 105,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,515.54 : 184,252.56 = 76,157.76 : x
  2. Step 2: Convert to fraction form
    133,515.54/184,252.56 = 76,157.76/x
  3. Step 3: Cross multiply
    133,515.54x = 184,252.56 × 76,157.76
  4. Step 4: Simplify right side
    133,515.54x = 14,032,262,243.87
  5. Step 5: Solve for x
    x = 14,032,262,243.87/133,515.54
  6. Step 6: Final answer
    x = 105,098.34

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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.