Home / 132,799.30-183,260.57-72,370.36

Finding the Fourth Proportional to 132,799.30, 183,260.57 and 72,370.36

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Solution

The fourth proportional to 132,799.30, 183,260.57 and 72,370.36 is: 99,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,799.30 : 183,260.57 = 72,370.36 : x
  2. Step 2: Convert to fraction form
    132,799.30/183,260.57 = 72,370.36/x
  3. Step 3: Cross multiply
    132,799.30x = 183,260.57 × 72,370.36
  4. Step 4: Simplify right side
    132,799.30x = 13,262,633,424.71
  5. Step 5: Solve for x
    x = 13,262,633,424.71/132,799.30
  6. Step 6: Final answer
    x = 99,869.75

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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.