Home / 132,788.68-183,248.40-72,359.35

Finding the Fourth Proportional to 132,788.68, 183,248.40 and 72,359.35

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Solution

The fourth proportional to 132,788.68, 183,248.40 and 72,359.35 is: 99,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.68 : 183,248.40 = 72,359.35 : x
  2. Step 2: Convert to fraction form
    132,788.68/183,248.40 = 72,359.35/x
  3. Step 3: Cross multiply
    132,788.68x = 183,248.40 × 72,359.35
  4. Step 4: Simplify right side
    132,788.68x = 13,259,735,112.54
  5. Step 5: Solve for x
    x = 13,259,735,112.54/132,788.68
  6. Step 6: Final answer
    x = 99,855.91

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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.