Home / 133,223.82-183,876.93-129,008.58

Finding the Fourth Proportional to 133,223.82, 183,876.93 and 129,008.58

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Solution

The fourth proportional to 133,223.82, 183,876.93 and 129,008.58 is: 178,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,223.82 : 183,876.93 = 129,008.58 : x
  2. Step 2: Convert to fraction form
    133,223.82/183,876.93 = 129,008.58/x
  3. Step 3: Cross multiply
    133,223.82x = 183,876.93 × 129,008.58
  4. Step 4: Simplify right side
    133,223.82x = 23,721,701,634.06
  5. Step 5: Solve for x
    x = 23,721,701,634.06/133,223.82
  6. Step 6: Final answer
    x = 178,059.01

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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.