Home / 133,153.56-183,757.38-76,564.94

Finding the Fourth Proportional to 133,153.56, 183,757.38 and 76,564.94

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Solution

The fourth proportional to 133,153.56, 183,757.38 and 76,564.94 is: 105,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,153.56 : 183,757.38 = 76,564.94 : x
  2. Step 2: Convert to fraction form
    133,153.56/183,757.38 = 76,564.94/x
  3. Step 3: Cross multiply
    133,153.56x = 183,757.38 × 76,564.94
  4. Step 4: Simplify right side
    133,153.56x = 14,069,372,774.26
  5. Step 5: Solve for x
    x = 14,069,372,774.26/133,153.56
  6. Step 6: Final answer
    x = 105,662.76

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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.