Home / 129,182.04-193,709.88-53,266.41

Finding the Fourth Proportional to 129,182.04, 193,709.88 and 53,266.41

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Solution

The fourth proportional to 129,182.04, 193,709.88 and 53,266.41 is: 79,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,182.04 : 193,709.88 = 53,266.41 : x
  2. Step 2: Convert to fraction form
    129,182.04/193,709.88 = 53,266.41/x
  3. Step 3: Cross multiply
    129,182.04x = 193,709.88 × 53,266.41
  4. Step 4: Simplify right side
    129,182.04x = 10,318,229,889.13
  5. Step 5: Solve for x
    x = 10,318,229,889.13/129,182.04
  6. Step 6: Final answer
    x = 79,873.56

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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.