Home / 132,789.58-183,244.98-72,359.01

Finding the Fourth Proportional to 132,789.58, 183,244.98 and 72,359.01

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Solution

The fourth proportional to 132,789.58, 183,244.98 and 72,359.01 is: 99,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,789.58 : 183,244.98 = 72,359.01 : x
  2. Step 2: Convert to fraction form
    132,789.58/183,244.98 = 72,359.01/x
  3. Step 3: Cross multiply
    132,789.58x = 183,244.98 × 72,359.01
  4. Step 4: Simplify right side
    132,789.58x = 13,259,425,340.27
  5. Step 5: Solve for x
    x = 13,259,425,340.27/132,789.58
  6. Step 6: Final answer
    x = 99,852.91

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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.