Home / 114,880.08-172,404.39-75,423.36

Finding the Fourth Proportional to 114,880.08, 172,404.39 and 75,423.36

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Solution

The fourth proportional to 114,880.08, 172,404.39 and 75,423.36 is: 113,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,880.08 : 172,404.39 = 75,423.36 : x
  2. Step 2: Convert to fraction form
    114,880.08/172,404.39 = 75,423.36/x
  3. Step 3: Cross multiply
    114,880.08x = 172,404.39 × 75,423.36
  4. Step 4: Simplify right side
    114,880.08x = 13,003,318,372.55
  5. Step 5: Solve for x
    x = 13,003,318,372.55/114,880.08
  6. Step 6: Final answer
    x = 113,190.37

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1.5x scale

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.