Home / 134,889.64-202,436.57-75,775.03

Finding the Fourth Proportional to 134,889.64, 202,436.57 and 75,775.03

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Solution

The fourth proportional to 134,889.64, 202,436.57 and 75,775.03 is: 113,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,889.64 : 202,436.57 = 75,775.03 : x
  2. Step 2: Convert to fraction form
    134,889.64/202,436.57 = 75,775.03/x
  3. Step 3: Cross multiply
    134,889.64x = 202,436.57 × 75,775.03
  4. Step 4: Simplify right side
    134,889.64x = 15,339,637,164.85
  5. Step 5: Solve for x
    x = 15,339,637,164.85/134,889.64
  6. Step 6: Final answer
    x = 113,719.91

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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.