Home / 129,253.02-193,880.43-45,013.02

Finding the Fourth Proportional to 129,253.02, 193,880.43 and 45,013.02

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Solution

The fourth proportional to 129,253.02, 193,880.43 and 45,013.02 is: 67,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,253.02 : 193,880.43 = 45,013.02 : x
  2. Step 2: Convert to fraction form
    129,253.02/193,880.43 = 45,013.02/x
  3. Step 3: Cross multiply
    129,253.02x = 193,880.43 × 45,013.02
  4. Step 4: Simplify right side
    129,253.02x = 8,727,143,673.20
  5. Step 5: Solve for x
    x = 8,727,143,673.20/129,253.02
  6. Step 6: Final answer
    x = 67,519.84

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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.