Home / 144,870.20-217,305.30-94,131.80

Finding the Fourth Proportional to 144,870.20, 217,305.30 and 94,131.80

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Solution

The fourth proportional to 144,870.20, 217,305.30 and 94,131.80 is: 141,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,870.20 : 217,305.30 = 94,131.80 : x
  2. Step 2: Convert to fraction form
    144,870.20/217,305.30 = 94,131.80/x
  3. Step 3: Cross multiply
    144,870.20x = 217,305.30 × 94,131.80
  4. Step 4: Simplify right side
    144,870.20x = 20,455,339,038.54
  5. Step 5: Solve for x
    x = 20,455,339,038.54/144,870.20
  6. Step 6: Final answer
    x = 141,197.70

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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.