Home / 132,804.91-183,264.24-72,375.36

Finding the Fourth Proportional to 132,804.91, 183,264.24 and 72,375.36

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Solution

The fourth proportional to 132,804.91, 183,264.24 and 72,375.36 is: 99,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,804.91 : 183,264.24 = 72,375.36 : x
  2. Step 2: Convert to fraction form
    132,804.91/183,264.24 = 72,375.36/x
  3. Step 3: Cross multiply
    132,804.91x = 183,264.24 × 72,375.36
  4. Step 4: Simplify right side
    132,804.91x = 13,263,815,345.13
  5. Step 5: Solve for x
    x = 13,263,815,345.13/132,804.91
  6. Step 6: Final answer
    x = 99,874.43

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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.