Home / 132,729.33-199,015.28-52,724.32

Finding the Fourth Proportional to 132,729.33, 199,015.28 and 52,724.32

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Solution

The fourth proportional to 132,729.33, 199,015.28 and 52,724.32 is: 79,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,729.33 : 199,015.28 = 52,724.32 : x
  2. Step 2: Convert to fraction form
    132,729.33/199,015.28 = 52,724.32/x
  3. Step 3: Cross multiply
    132,729.33x = 199,015.28 × 52,724.32
  4. Step 4: Simplify right side
    132,729.33x = 10,492,944,744.17
  5. Step 5: Solve for x
    x = 10,492,944,744.17/132,729.33
  6. Step 6: Final answer
    x = 79,055.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.