Home / 132,824.40-183,531-106,186.80

Finding the Fourth Proportional to 132,824.40, 183,531 and 106,186.80

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Solution

The fourth proportional to 132,824.40, 183,531 and 106,186.80 is: 146,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,824.40 : 183,531 = 106,186.80 : x
  2. Step 2: Convert to fraction form
    132,824.40/183,531 = 106,186.80/x
  3. Step 3: Cross multiply
    132,824.40x = 183,531 × 106,186.80
  4. Step 4: Simplify right side
    132,824.40x = 19,488,569,590.80
  5. Step 5: Solve for x
    x = 19,488,569,590.80/132,824.40
  6. Step 6: Final answer
    x = 146,724.32

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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.