Home / 114,540.03-170,880.02-108,339.90

Finding the Fourth Proportional to 114,540.03, 170,880.02 and 108,339.90

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Solution

The fourth proportional to 114,540.03, 170,880.02 and 108,339.90 is: 161,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,540.03 : 170,880.02 = 108,339.90 : x
  2. Step 2: Convert to fraction form
    114,540.03/170,880.02 = 108,339.90/x
  3. Step 3: Cross multiply
    114,540.03x = 170,880.02 × 108,339.90
  4. Step 4: Simplify right side
    114,540.03x = 18,513,123,737.10
  5. Step 5: Solve for x
    x = 18,513,123,737.10/114,540.03
  6. Step 6: Final answer
    x = 161,630.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.