Home / 132,780.92-183,470.70-106,143.26

Finding the Fourth Proportional to 132,780.92, 183,470.70 and 106,143.26

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Solution

The fourth proportional to 132,780.92, 183,470.70 and 106,143.26 is: 146,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780.92 : 183,470.70 = 106,143.26 : x
  2. Step 2: Convert to fraction form
    132,780.92/183,470.70 = 106,143.26/x
  3. Step 3: Cross multiply
    132,780.92x = 183,470.70 × 106,143.26
  4. Step 4: Simplify right side
    132,780.92x = 19,474,178,212.48
  5. Step 5: Solve for x
    x = 19,474,178,212.48/132,780.92
  6. Step 6: Final answer
    x = 146,663.98

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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.