Home / 133,302.85-183,958.09-76,714.27

Finding the Fourth Proportional to 133,302.85, 183,958.09 and 76,714.27

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Solution

The fourth proportional to 133,302.85, 183,958.09 and 76,714.27 is: 105,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,302.85 : 183,958.09 = 76,714.27 : x
  2. Step 2: Convert to fraction form
    133,302.85/183,958.09 = 76,714.27/x
  3. Step 3: Cross multiply
    133,302.85x = 183,958.09 × 76,714.27
  4. Step 4: Simplify right side
    133,302.85x = 14,112,210,584.94
  5. Step 5: Solve for x
    x = 14,112,210,584.94/133,302.85
  6. Step 6: Final answer
    x = 105,865.78

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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.