Home / 144,311.18-199,158.27-80,654.06

Finding the Fourth Proportional to 144,311.18, 199,158.27 and 80,654.06

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Solution

The fourth proportional to 144,311.18, 199,158.27 and 80,654.06 is: 111,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,311.18 : 199,158.27 = 80,654.06 : x
  2. Step 2: Convert to fraction form
    144,311.18/199,158.27 = 80,654.06/x
  3. Step 3: Cross multiply
    144,311.18x = 199,158.27 × 80,654.06
  4. Step 4: Simplify right side
    144,311.18x = 16,062,923,058.08
  5. Step 5: Solve for x
    x = 16,062,923,058.08/144,311.18
  6. Step 6: Final answer
    x = 111,307.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.