Home / 132,789.36-183,246.98-72,360.44

Finding the Fourth Proportional to 132,789.36, 183,246.98 and 72,360.44

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Solution

The fourth proportional to 132,789.36, 183,246.98 and 72,360.44 is: 99,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,789.36 : 183,246.98 = 72,360.44 : x
  2. Step 2: Convert to fraction form
    132,789.36/183,246.98 = 72,360.44/x
  3. Step 3: Cross multiply
    132,789.36x = 183,246.98 × 72,360.44
  4. Step 4: Simplify right side
    132,789.36x = 13,259,832,101.47
  5. Step 5: Solve for x
    x = 13,259,832,101.47/132,789.36
  6. Step 6: Final answer
    x = 99,856.13

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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.