Home / 133,300.85-183,955.33-76,712.27

Finding the Fourth Proportional to 133,300.85, 183,955.33 and 76,712.27

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Solution

The fourth proportional to 133,300.85, 183,955.33 and 76,712.27 is: 105,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,300.85 : 183,955.33 = 76,712.27 : x
  2. Step 2: Convert to fraction form
    133,300.85/183,955.33 = 76,712.27/x
  3. Step 3: Cross multiply
    133,300.85x = 183,955.33 × 76,712.27
  4. Step 4: Simplify right side
    133,300.85x = 14,111,631,498.68
  5. Step 5: Solve for x
    x = 14,111,631,498.68/133,300.85
  6. Step 6: Final answer
    x = 105,863.03

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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.