Home / 133,233.84-183,868.32-76,645.22

Finding the Fourth Proportional to 133,233.84, 183,868.32 and 76,645.22

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Solution

The fourth proportional to 133,233.84, 183,868.32 and 76,645.22 is: 105,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,233.84 : 183,868.32 = 76,645.22 : x
  2. Step 2: Convert to fraction form
    133,233.84/183,868.32 = 76,645.22/x
  3. Step 3: Cross multiply
    133,233.84x = 183,868.32 × 76,645.22
  4. Step 4: Simplify right side
    133,233.84x = 14,092,626,918.09
  5. Step 5: Solve for x
    x = 14,092,626,918.09/133,233.84
  6. Step 6: Final answer
    x = 105,773.63

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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.