Home / 134,621.79-201,865.25-75,441.57

Finding the Fourth Proportional to 134,621.79, 201,865.25 and 75,441.57

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Solution

The fourth proportional to 134,621.79, 201,865.25 and 75,441.57 is: 113,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,621.79 : 201,865.25 = 75,441.57 : x
  2. Step 2: Convert to fraction form
    134,621.79/201,865.25 = 75,441.57/x
  3. Step 3: Cross multiply
    134,621.79x = 201,865.25 × 75,441.57
  4. Step 4: Simplify right side
    134,621.79x = 15,229,031,011.23
  5. Step 5: Solve for x
    x = 15,229,031,011.23/134,621.79
  6. Step 6: Final answer
    x = 113,124.56

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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.